Volume 24 (1872) (424 pages)

264 [April 27, 1872. SCIENTIFIC PRESS. Sciewnhitic Dress, W. B. EWER. oc cee sccescececessesecses Szyron Eprror. DEWEY & Co., Publishers. GEO. M. STRONG, . 1. DEWEY, 1 JNO. lL. BOONE. Ww. 3B. EWER, Office. No. 388 Montgomery St., 8. E. Corner of California St., diagonally across from Wells, Fargo & Co.’s. SUBSCRIPTION AND ADVERTISING RATES. TISING RATES.—I week. Imonth. 3 months. Lyear. Per ita 25 80 $2,00 $5.00 2 $1.00 $3.00 7.60 20.00 2.00 5.00. 14.00 $8.00 Large advertisements at favorable rates. Special or reading noti legal adverti ts, notices appearing in extcaordinary type or in particular parts of the paper, inserted at epecial rates.SuBsonrprions payable in advance—For one year, $4; six months, $2.50; three months, $1.25. Olubs of ten mnmes or more, $3 each per annum. $6, in advance, will pay for 1% year. Remittances by registered letters, or P. O. orders at our risk. , 1 lonial subscriptions, post paid, per year, Percure ee 12s. Ader fe tee inaeteat inLarge adverBe rti er sertion, 1s.; enbseqnent insertions, each, Ra. tisements at special rates, San Francisco: Saturday Morning, April 27,1872. Gold and Legal Tender Rates.San Franoisco, Wednesday, April 24, 1872.—Legal Tenders buying, 8934; selling, 9044. Gold in New York to-day, 111%. Table of Contents. ENITORIALS.—Sargent’s Mineral Land Bill, 257. Onr Home Industries;, Our National Park. 264. Luke Superior Gold Discoveries; Mi ing Stocks, 265, An Invention Wauted; Mining Sales, 268. ns ILLUSTRATIO8.~-Boone’s Patent Railroad Tie, 25'7. Glass Bearings; Hendy'’s Improved Concentrator, 265. MECHANIOAL PROGRESS.—The Physical Properties of Steel; New Stuffing for Cushions; Band Saws for Cutting Large Timber; Wrought Iron Ties, 259. SCIENTIFIC PROGRESS,—Atmospheric Influences on Lunacy; Piano Playing; The Principle of the Least Action in Nature: Moses, and Modern Science; Varieties of Colors, 259. 7 Md MINING SUMMARY—Reports from mines in various States, Counties and Nistricts: Stock Reports; Leather and Metal zt i ha, ders’ Nirectory, ts; Mining 8! 260-1. USEFUL INFORMATION.—How to Varnish in Cold . Weather; Insect Wonders; Transmission of Sound; Oil among the Ancients; Chemical Ohanges; Willow Wood, 263. : GOON HEALTH.—Open Windows at Night; Exposed . Arms; Antidotes for Poison; Howto Prevent Spring Niseases; Summer Clothing; Fat People; New Preservative Fluid, 263. 1 NOMESTIO ECONOMY.—Good Bread and How to Make It; Economical Cooking in Oregon; Pickled Eggs; Hang up Pictures; Our Beds; Poached Iggs;, Wafer Gingerbread, 266. { MISCELLANEOUS.—The Big Mill of Nevada; Water’ Rights; The Use of Earthquakes; A New Ditch Enterprise, 262. Black Diamond Coal: Fields; Borax; A Strong Nation; School Lands, 258. Tue Precious Mrrats in ALAskA.—The steamer Gussie Tolfair recently. hrought intelligence of the discovery of hoth gold and silver in Alaska, hnt nothing very definite is given. The climate aud geo graphical position of our newly-acquired territority is unfavorahle for prospecting parties from here, and it is notlikely that any one will think of startiug until more authentic reports are received. A sore temptation this will be, however, to many, for the mines are so far away, that they ought to he rich if they are not. If forther proofs are given of the existence of the precious metals in any quantity in Alaska, some enterprising steamhoat man will douhtless pnt on a line of “‘ cheap” steamers for the henefit of wonld-be millionaires. Puacer Discoventes.—Placer . mines have been discovered near Richmond, about three miles west of Susanville, in Nevada. The Nevada State Journal says that the first discovery was made jn a caiion about one half mile east of Richmond, in a gravel deposit containing coarse washed gold, where they are now rocking out from $3 to $5 per day tothe hand. Further up the same caiion richer placers have been found, which, according to the ssme paper, pay about $25 per day with sluices. Arich quartz ledge has been found in the same vicinity. The discoverers have for some time kept ‘‘ shady ” about their strike, but it has come out, and it is said the mines give evidence of permanence: New placers are also reported in about 200 miles above Hardyville on the Colorado river. The miners are said to be making $5 per day’ Tue Boarp of State Harbor Commissioners haye rednced the rates of dockage, tolls, wharfage, etc., for the city of San Francisco,one half, and have adopted new rules and regulstions. concerning wharves and docks. THERE is said to be great activity in mining matters in Schell Creek district, Nevada. Our Home Industries, The Foundries. Business at the foundries is more hrisk than it has heen for the past: two years. They have all got as much work as they can do, and the long prevailing dull times sre at lsst over. Large and heavy orders do not seem to he very plenty, hut the amount of work on hand is satisfactory and all are doing well. The scarcity of iron affects the trade considerahly, for purchasers of conrse have to pay a proportionately higher price to have their orders filled. In the matter of mining machinery especially this scarcity exerts an important influence. Miners generally oaloulate on huilding a 5-stamp mill for so much, and a 10-stamp for so much, taking other mills as a precedent, and when they come to find an advance of ahout $35 per ton over last year on 100 or 150 tons of machinery, it makes quite a serious difference in their calonlations, and hinders developments. Some of the reasons for this scarcity of irou were given in the last issue of the Screnrirro Press and it is asserted that the prohahlo supply of the coming t years . is already engaged and there is no surplus ‘. stook on hand in the great iron markets of the world. A great scarcity of first-class mechanics is reported by the foundrymen and there’ is no need of any of them heing idle for they can ohtain employment readily at good wages. The majority of the mechanies seem to he foreigners and in one estahlishment out of 54 in the machine and hlacksmith shops alone 40 were foreigners and 14 natives, the latterinoluding the hoys who ars nearly all natives. The lahorers are as a general thing all foreigners. Engineers were also foreigners: as were the majority of those in the monlding room. In the hoiler shops 90per cent. were foreigners. Taking’this ono fonndry as a criterion it may he assumed that a large majority of the men employed were horn under a foreign flag. The English mechanics are now having fine times working. only 51 hours a woek and at good wages, machinists getting £2 per week; no inducement for them to leave home. The had times in this city for the past two yearshascompelled those who were here to leave and the railroads hnildiug throughout the Coust have absorhed quite a numher causing a scarcity here with no fresh supply. The wages for good mechanics in this city are from $3.50 to $4 per pay aocording to their capacity. j The Pacific fron Works. _ Corner of First and Fremont streets, have just completed the machinery for a propeller freight hoat for Owen’s Lake. The hoat is intended to carry wood, merchandise, etc., to supply the Cerro Gordo District. They are making a 10-stamp mil] and mining machinery for the Silver Peak mine inPioche District, Nevada, and carrying on extensive repsirs to the lighthouse steamer Fern. They are turuing out 2 lot of vacnum pans and sugar-house machinery for the California sugar refinery and are also furnishing some smelting works machinery for the Canton Mining Co. at Mineral Hill, Nevada, turning out the usual amouut of small work. The Miners Foundry, First street, bstween Howard and Folsom, (Co-operative), are making an engine and hoiler and hoisting works machinery to go to Ely District, Nevada, and have just shipped one of Psui’s Electrochemical dry amalgamating mills to Calaveras county. They are making the maehinery for Boschke’s tule-ditching machine and a large, heavy punch for the Pacifie Rolling mills. Some hydraulic mining machinery is being turned out to go to Stanislaus county; just shipped a pony-gang sawmill up the Coast. The Saratoga paper mills, in Santa Clara county, have had some paper mill mschinery made here whioh hss just been shipped. A new pump, eslled the Goodwin pump, of whioh Mr. §. A. West is the inventor, is heing msde at this foundry. They ere doing a variety of small johs. At the Fulton Foundry, Corner of Tehams and Fremont streets, they are huilding two engines, 16 inch hore, 5 feet stroke, for the Colorado Steam Navigation Co., and an engine 8x16 feet with shafting and machinery for a tannery to goto Japan. They are making an engine 12x24, and hoiler 48x16, with a 10. inch plunger pump, 6-foot stroke and a set of hoisting works for the Yuha Gravel Mining Co., at North Bloomfield. Are getting tip two of Hoskin’s Little Giant hydraulic nozzles, to throw respectively 8 and 9 inoh streams. Also some large logging cars for Towle Bros. at Dutch Flat,. and some for Ellsworth & Co. Making silver amalgam retorts for the Estaca mine in Mexico and doing considerahle jobhing and ropairing work. The Risdon Iron and Locomotive Works, Corner of Howard and Beale streets, have heen doiug a good deal of engine work of late and lave huilt a nnmher of large engines. At work on machinery for a large ice manufacturing estahlishment in this city and on a surface coudenser for §.°L. Mastiok, supposed to he the first rogular surface condenserever made here, An engine, 20-inch cylinder and hoisting gear is heing made for the Belcher mine, and two 18-inch engines for the Crown Point mine. A large contract has just heen finished for the Pacifio Mail Co., cousisting of overhead railways and steam hoists for coaling vessols, which will be in operation ina week or so. They are making 50 iron cars for the California Sngar Refinery, to rnn hy hand on a planked way. Business with them as with othersis brisk and a good deal of small work is heing doue. é Golden State Iron Works, No. 19 First street, are making furnace irons for Eureka, Nev., water pipe for the North Star mine, Nevada Co., aud doing some iron work for the Oakland Paving . . Compuny. Windmill irons are heing made for Suisun anda large amount of angle hlocks and washers for the Pacific Bridge Co. They are turning out a 10-stamp mill for the Tale Mining Co., at Quincy, Plumas Co., and Stevenson pans for the Boston mill at Gold Hill; also a battery and Stevenson psns and settlers for the Belmont Mining Co., at Hayilah, Kern County; making stamp shoes and dies for different parts of the country, and doing considerable small work. At the Aetna Iron Works, Corner of Fremont and Tehama streets, they are building house fronts for Petaluma and Oakland and have just cast a 7,000-ib. propellor for steamer Idaho; and a 10,000-ib. one for the Ajax. Making propellor shafting, ete., for a steamhoat for Renton Smith & Co., and shafting, machinery, ete.,'for pnlverizing mill. Have just completed two of White’s Rotary Farnaces for the Lemon Mill and Mining Co.; huilding mixers, pnmps, pump-valves and some other machinery for Bay Sugar Refinery, and repairing a lot of old machinery for’ Flint, Peabody & Co.’s stave factory; doing considerahle small work. The San Francisco Boiler Works, Nos, 123and 125 Beale street, are at work on a hoiler 83x17-9 for steamer Cyrus Walker, and one 66x16 forthe Portland Water Oo., Oregon. Two hoilers are being huilt, 42x12; for the Meadow Valley Mining Co., and a 42 inch hoiler for Ohlandt & Co.’s hone factory. Have just finished a hoiler 42x14 for N. B. Hick’s sawmill in Santa Cruz, and a large tank 44 feet long, 20 wide and 8 deep, for a reservoir for the Stockton water works. Making a locomotive-shaped hoiler 17 feet hy 6 in diameter for the Colorado Steam Navigation Co., and a 54x16 boiler for the Silver Peak mine at Pioche. Making bnekets for a dredging machine for the Miners’ Foundry, and eurbs for settlers, and Hephnrn pans for latter named mine, Have all the work they can do. Thé Union Iron Works, Corner of Firstsnd Mission streets, are running a full force on full time, and doing more than the usual amount of husiness, They, like the rest, complain of a scarcity of good mechanics. Times is lively! with them and likely to continue so for some time to come. te Pracy’s Machine Works, 109 snd 111’ Mission street, present the neatest appearance of any shop iu the city; though small the works have a fine assortmeut of tools, and are ahle to turn out -any kind of work required. Just now they are making horse-power machinery, wood-turners’ lathes, ete. The proprietor makes 2 specialty of grist-mills, and is at work on quite a numher of them at present. The establishment is very neat and complete. Our National Park. We have received a numberof maps and documents in relation to the Great National Park in the Yellowstone Reservation in Montana and Wyoming Territories. The land reserved lies near the head waters of. the Yellowstone river, commencing at the junction of Gardiner’s river and the Yellowstone, and running east to the meridian passing ten miles to the eastward of the most easterly point of Yellowstone Lake; thence south along that meridian . to the parallel of latitude passing ten miles south of.the most southern point of Yellowstone Lake; thence west along that parallel to the meridian passing fifteen miles west of the most western point of Madison Lake ; thence north along the meridian to the latitude of the junction of the Yellowstone and Gardiner’s rivers ; and thence east to the place of hegiuning. This area of land has heen reserved and withdrawn from settlement orsale, and set apart as a public park or pleasure ground, . for the benefit of the people of the United Stutes. It isto be uudor the coutrol of the Socretary of the Interior, who is to make suoh rules and regulations as he may thiuk proper for its care aud management, All timhers, mineral "deposits, natnrsl curiosities or wonders are to. be preserved in their natural condition, and remain undisturhed. The Secretary may, ifhe sees fit, grant leases for building purposes, for terms uot to exeged ten ysars, of small parcels of land,’ at such ‘places as may require houses for the accommodation of visitors. All the reveuue from this source is to be expended in buildiug roads, hridle-paths, etc., in the park. The Secretary is to provide against wanton destrnetion of game aud fish in the reservation, and against their capture for the purpose of profit. The land is, as a general thing, not susceptahle of cultivation, and the entire ‘area within the limits of the reservation is over 6,000 feet ahove sea level. The Yellowstone Lake, which oceupies an area 15 hy 22 miles, or 330 square miles, is 7,427 feet. Thorange of mountains that hem the valleys in rise to a hight of from 10,000 to 12,000 feet, and are covered with Snow all the ycar round. These mountains are all of voleanic origin, and it is not prohahle that any mines will ever be discovered there. During the months of June, July and Angnst the climate is most invigorating, with scarcely any rain or storms of any kind. There is frost every month of the year. This whole region was, in comparatively recent time, the scene of the most wonderful voloanie activity of any portion of our country. We have given, at different times, detailed descriptions of some of the wonders of this region, which will in a few years he a place of resort for all classes of people from all parts of the world. The project of establishing a Grand National Park in such a locality is worthy of the age and the nation which has originated the idea. Jt will hecome, in fnture ages, a place for the world’s resort, where the grandeurs of nature and all her wonderful displays of power and energy, as put forth iu the tempest, the earthquake and the voleano may he seen, studied and admired in the great laboratory within which the fires have heen, as it were, but just extinguished.

264 [April 27, 1872. SCIENTIFIC PRESS. Sciewnhitic Dress, W. B. EWER. oc cee sccescececessesecses Szyron Eprror. DEWEY & Co., Publishers. GEO. M. STRONG, . 1. DEWEY, 1 JNO. lL. BOONE. Ww. 3B. EWER, Office. No. 388 Montgomery St., 8. E. Corner of California St., diagonally across from Wells, Fargo & Co.’s. SUBSCRIPTION AND ADVERTISING RATES. TISING RATES.—I week. Imonth. 3 months. Lyear. Per ita 25 80 $2,00 $5.00 2 $1.00 $3.00 7.60 20.00 2.00 5.00. 14.00 $8.00 Large advertisements at favorable rates. Special or reading noti legal adverti ts, notices appearing in extcaordinary type or in particular parts of the paper, inserted at epecial rates.SuBsonrprions payable in advance—For one year, $4; six months, $2.50; three months, $1.25. Olubs of ten mnmes or more, $3 each per annum. $6, in advance, will pay for 1% year. Remittances by registered letters, or P. O. orders at our risk. , 1 lonial subscriptions, post paid, per year, Percure ee 12s. Ader fe tee inaeteat inLarge adverBe rti er sertion, 1s.; enbseqnent insertions, each, Ra. tisements at special rates, San Francisco: Saturday Morning, April 27,1872. Gold and Legal Tender Rates.San Franoisco, Wednesday, April 24, 1872.—Legal Tenders buying, 8934; selling, 9044. Gold in New York to-day, 111%. Table of Contents. ENITORIALS.—Sargent’s Mineral Land Bill, 257. Onr Home Industries;, Our National Park. 264. Luke Superior Gold Discoveries; Mi ing Stocks, 265, An Invention Wauted; Mining Sales, 268. ns ILLUSTRATIO8.~-Boone’s Patent Railroad Tie, 25'7. Glass Bearings; Hendy'’s Improved Concentrator, 265. MECHANIOAL PROGRESS.—The Physical Properties of Steel; New Stuffing for Cushions; Band Saws for Cutting Large Timber; Wrought Iron Ties, 259. SCIENTIFIC PROGRESS,—Atmospheric Influences on Lunacy; Piano Playing; The Principle of the Least Action in Nature: Moses, and Modern Science; Varieties of Colors, 259. 7 Md MINING SUMMARY—Reports from mines in various States, Counties and Nistricts: Stock Reports; Leather and Metal zt i ha, ders’ Nirectory, ts; Mining 8! 260-1. USEFUL INFORMATION.—How to Varnish in Cold . Weather; Insect Wonders; Transmission of Sound; Oil among the Ancients; Chemical Ohanges; Willow Wood, 263. : GOON HEALTH.—Open Windows at Night; Exposed . Arms; Antidotes for Poison; Howto Prevent Spring Niseases; Summer Clothing; Fat People; New Preservative Fluid, 263. 1 NOMESTIO ECONOMY.—Good Bread and How to Make It; Economical Cooking in Oregon; Pickled Eggs; Hang up Pictures; Our Beds; Poached Iggs;, Wafer Gingerbread, 266. { MISCELLANEOUS.—The Big Mill of Nevada; Water’ Rights; The Use of Earthquakes; A New Ditch Enterprise, 262. Black Diamond Coal: Fields; Borax; A Strong Nation; School Lands, 258. Tue Precious Mrrats in ALAskA.—The steamer Gussie Tolfair recently. hrought intelligence of the discovery of hoth gold and silver in Alaska, hnt nothing very definite is given. The climate aud geo graphical position of our newly-acquired territority is unfavorahle for prospecting parties from here, and it is notlikely that any one will think of startiug until more authentic reports are received. A sore temptation this will be, however, to many, for the mines are so far away, that they ought to he rich if they are not. If forther proofs are given of the existence of the precious metals in any quantity in Alaska, some enterprising steamhoat man will douhtless pnt on a line of “‘ cheap” steamers for the henefit of wonld-be millionaires. Puacer Discoventes.—Placer . mines have been discovered near Richmond, about three miles west of Susanville, in Nevada. The Nevada State Journal says that the first discovery was made jn a caiion about one half mile east of Richmond, in a gravel deposit containing coarse washed gold, where they are now rocking out from $3 to $5 per day tothe hand. Further up the same caiion richer placers have been found, which, according to the ssme paper, pay about $25 per day with sluices. Arich quartz ledge has been found in the same vicinity. The discoverers have for some time kept ‘‘ shady ” about their strike, but it has come out, and it is said the mines give evidence of permanence: New placers are also reported in about 200 miles above Hardyville on the Colorado river. The miners are said to be making $5 per day’ Tue Boarp of State Harbor Commissioners haye rednced the rates of dockage, tolls, wharfage, etc., for the city of San Francisco,one half, and have adopted new rules and regulstions. concerning wharves and docks. THERE is said to be great activity in mining matters in Schell Creek district, Nevada. Our Home Industries, The Foundries. Business at the foundries is more hrisk than it has heen for the past: two years. They have all got as much work as they can do, and the long prevailing dull times sre at lsst over. Large and heavy orders do not seem to he very plenty, hut the amount of work on hand is satisfactory and all are doing well. The scarcity of iron affects the trade considerahly, for purchasers of conrse have to pay a proportionately higher price to have their orders filled. In the matter of mining machinery especially this scarcity exerts an important influence. Miners generally oaloulate on huilding a 5-stamp mill for so much, and a 10-stamp for so much, taking other mills as a precedent, and when they come to find an advance of ahout $35 per ton over last year on 100 or 150 tons of machinery, it makes quite a serious difference in their calonlations, and hinders developments. Some of the reasons for this scarcity of irou were given in the last issue of the Screnrirro Press and it is asserted that the prohahlo supply of the coming t years . is already engaged and there is no surplus ‘. stook on hand in the great iron markets of the world. A great scarcity of first-class mechanics is reported by the foundrymen and there’ is no need of any of them heing idle for they can ohtain employment readily at good wages. The majority of the mechanies seem to he foreigners and in one estahlishment out of 54 in the machine and hlacksmith shops alone 40 were foreigners and 14 natives, the latterinoluding the hoys who ars nearly all natives. The lahorers are as a general thing all foreigners. Engineers were also foreigners: as were the majority of those in the monlding room. In the hoiler shops 90per cent. were foreigners. Taking’this ono fonndry as a criterion it may he assumed that a large majority of the men employed were horn under a foreign flag. The English mechanics are now having fine times working. only 51 hours a woek and at good wages, machinists getting £2 per week; no inducement for them to leave home. The had times in this city for the past two yearshascompelled those who were here to leave and the railroads hnildiug throughout the Coust have absorhed quite a numher causing a scarcity here with no fresh supply. The wages for good mechanics in this city are from $3.50 to $4 per pay aocording to their capacity. j The Pacific fron Works. _ Corner of First and Fremont streets, have just completed the machinery for a propeller freight hoat for Owen’s Lake. The hoat is intended to carry wood, merchandise, etc., to supply the Cerro Gordo District. They are making a 10-stamp mil] and mining machinery for the Silver Peak mine inPioche District, Nevada, and carrying on extensive repsirs to the lighthouse steamer Fern. They are turuing out 2 lot of vacnum pans and sugar-house machinery for the California sugar refinery and are also furnishing some smelting works machinery for the Canton Mining Co. at Mineral Hill, Nevada, turning out the usual amouut of small work. The Miners Foundry, First street, bstween Howard and Folsom, (Co-operative), are making an engine and hoiler and hoisting works machinery to go to Ely District, Nevada, and have just shipped one of Psui’s Electrochemical dry amalgamating mills to Calaveras county. They are making the maehinery for Boschke’s tule-ditching machine and a large, heavy punch for the Pacifie Rolling mills. Some hydraulic mining machinery is being turned out to go to Stanislaus county; just shipped a

pony-gang sawmill up the Coast. The Saratoga paper mills, in Santa Clara county, have had some paper mill mschinery made here whioh hss just been shipped. A new pump, eslled the Goodwin pump, of whioh Mr. §. A. West is the inventor, is heing msde at this foundry. They ere doing a variety of small johs. At the Fulton Foundry, Corner of Tehams and Fremont streets, they are huilding two engines, 16 inch hore, 5 feet stroke, for the Colorado Steam Navigation Co., and an engine 8x16 feet with shafting and machinery for a tannery to goto Japan. They are making an engine 12x24, and hoiler 48x16, with a 10. inch plunger pump, 6-foot stroke and a set of hoisting works for the Yuha Gravel Mining Co., at North Bloomfield. Are getting tip two of Hoskin’s Little Giant hydraulic nozzles, to throw respectively 8 and 9 inoh streams. Also some large logging cars for Towle Bros. at Dutch Flat,. and some for Ellsworth & Co. Making silver amalgam retorts for the Estaca mine in Mexico and doing considerahle jobhing and ropairing work. The Risdon Iron and Locomotive Works, Corner of Howard and Beale streets, have heen doiug a good deal of engine work of late and lave huilt a nnmher of large engines. At work on machinery for a large ice manufacturing estahlishment in this city and on a surface coudenser for §.°L. Mastiok, supposed to he the first rogular surface condenserever made here, An engine, 20-inch cylinder and hoisting gear is heing made for the Belcher mine, and two 18-inch engines for the Crown Point mine. A large contract has just heen finished for the Pacifio Mail Co., cousisting of overhead railways and steam hoists for coaling vessols, which will be in operation ina week or so. They are making 50 iron cars for the California Sngar Refinery, to rnn hy hand on a planked way. Business with them as with othersis brisk and a good deal of small work is heing doue. é Golden State Iron Works, No. 19 First street, are making furnace irons for Eureka, Nev., water pipe for the North Star mine, Nevada Co., aud doing some iron work for the Oakland Paving . . Compuny. Windmill irons are heing made for Suisun anda large amount of angle hlocks and washers for the Pacific Bridge Co. They are turning out a 10-stamp mill for the Tale Mining Co., at Quincy, Plumas Co., and Stevenson pans for the Boston mill at Gold Hill; also a battery and Stevenson psns and settlers for the Belmont Mining Co., at Hayilah, Kern County; making stamp shoes and dies for different parts of the country, and doing considerable small work. At the Aetna Iron Works, Corner of Fremont and Tehama streets, they are building house fronts for Petaluma and Oakland and have just cast a 7,000-ib. propellor for steamer Idaho; and a 10,000-ib. one for the Ajax. Making propellor shafting, ete., for a steamhoat for Renton Smith & Co., and shafting, machinery, ete.,'for pnlverizing mill. Have just completed two of White’s Rotary Farnaces for the Lemon Mill and Mining Co.; huilding mixers, pnmps, pump-valves and some other machinery for Bay Sugar Refinery, and repairing a lot of old machinery for’ Flint, Peabody & Co.’s stave factory; doing considerahle small work. The San Francisco Boiler Works, Nos, 123and 125 Beale street, are at work on a hoiler 83x17-9 for steamer Cyrus Walker, and one 66x16 forthe Portland Water Oo., Oregon. Two hoilers are being huilt, 42x12; for the Meadow Valley Mining Co., and a 42 inch hoiler for Ohlandt & Co.’s hone factory. Have just finished a hoiler 42x14 for N. B. Hick’s sawmill in Santa Cruz, and a large tank 44 feet long, 20 wide and 8 deep, for a reservoir for the Stockton water works. Making a locomotive-shaped hoiler 17 feet hy 6 in diameter for the Colorado Steam Navigation Co., and a 54x16 boiler for the Silver Peak mine at Pioche. Making bnekets for a dredging machine for the Miners’ Foundry, and eurbs for settlers, and Hephnrn pans for latter named mine, Have all the work they can do. Thé Union Iron Works, Corner of Firstsnd Mission streets, are running a full force on full time, and doing more than the usual amount of husiness, They, like the rest, complain of a scarcity of good mechanics. Times is lively! with them and likely to continue so for some time to come. te Pracy’s Machine Works, 109 snd 111’ Mission street, present the neatest appearance of any shop iu the city; though small the works have a fine assortmeut of tools, and are ahle to turn out -any kind of work required. Just now they are making horse-power machinery, wood-turners’ lathes, ete. The proprietor makes 2 specialty of grist-mills, and is at work on quite a numher of them at present. The establishment is very neat and complete. Our National Park. We have received a numberof maps and documents in relation to the Great National Park in the Yellowstone Reservation in Montana and Wyoming Territories. The land reserved lies near the head waters of. the Yellowstone river, commencing at the junction of Gardiner’s river and the Yellowstone, and running east to the meridian passing ten miles to the eastward of the most easterly point of Yellowstone Lake; thence south along that meridian . to the parallel of latitude passing ten miles south of.the most southern point of Yellowstone Lake; thence west along that parallel to the meridian passing fifteen miles west of the most western point of Madison Lake ; thence north along the meridian to the latitude of the junction of the Yellowstone and Gardiner’s rivers ; and thence east to the place of hegiuning. This area of land has heen reserved and withdrawn from settlement orsale, and set apart as a public park or pleasure ground, . for the benefit of the people of the United Stutes. It isto be uudor the coutrol of the Socretary of the Interior, who is to make suoh rules and regulations as he may thiuk proper for its care aud management, All timhers, mineral "deposits, natnrsl curiosities or wonders are to. be preserved in their natural condition, and remain undisturhed. The Secretary may, ifhe sees fit, grant leases for building purposes, for terms uot to exeged ten ysars, of small parcels of land,’ at such ‘places as may require houses for the accommodation of visitors. All the reveuue from this source is to be expended in buildiug roads, hridle-paths, etc., in the park. The Secretary is to provide against wanton destrnetion of game aud fish in the reservation, and against their capture for the purpose of profit. The land is, as a general thing, not susceptahle of cultivation, and the entire ‘area within the limits of the reservation is over 6,000 feet ahove sea level. The Yellowstone Lake, which oceupies an area 15 hy 22 miles, or 330 square miles, is 7,427 feet. Thorange of mountains that hem the valleys in rise to a hight of from 10,000 to 12,000 feet, and are covered with Snow all the ycar round. These mountains are all of voleanic origin, and it is not prohahle that any mines will ever be discovered there. During the months of June, July and Angnst the climate is most invigorating, with scarcely any rain or storms of any kind. There is frost every month of the year. This whole region was, in comparatively recent time, the scene of the most wonderful voloanie activity of any portion of our country. We have given, at different times, detailed descriptions of some of the wonders of this region, which will in a few years he a place of resort for all classes of people from all parts of the world. The project of establishing a Grand National Park in such a locality is worthy of the age and the nation which has originated the idea. Jt will hecome, in fnture ages, a place for the world’s resort, where the grandeurs of nature and all her wonderful displays of power and energy, as put forth iu the tempest, the earthquake and the voleano may he seen, studied and admired in the great laboratory within which the fires have heen, as it were, but just extinguished.