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Collection: Books and Periodicals > Mining & Scientific Press

Volume 24 (1872) (424 pages)

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March 23, 1872.] SCIENTIFIC PRESS. 183 Usefut Information. Oatmeal! and the Intellect. At the annual meeting of tho American Association for the Advancement of Eduention, recently held in this city, Professor Haldeman advocated the uso of high phosphorized foed for teachers, they having much expenditure of brain. He said “the reason why the Scotch were so intellectually acuto and activo must be attribu ted to the use of oatmeal in their youth. Oats contuin more phosphorus than any other vegetable.” He also recomended ezys as oxcelleut foed for teachers, in ordor to increase their intellectual capacities. Lut the mental acuteness and general intellectual strength which characterize the people of the above-named country cannot be dne to the phosphorus of their ontmeal, which is their common breakfast food, for it so happeus that wheat contains more of it than oats. The quantity of soluble phosphates in wheat, according to Professor Johnston—himself a Scotchnian—is more than one per cent. groater than in oats. In his work on Agricultural Chemistry, pages 503 and 510, the composition of wheat aud oats is given in tables. Oatmeal is, nodonbt, very excellent food for manand beast, and sois Indian cornmeal, but ueither of them will confer intellectun] acuteness upon any mau. Dnll teachors or dull men cannot be made philesophors cither by the nse of eggsor oate. We must look to eomo other cause than oatmeal for the metaphysical mind of the North Britons. That canse is, no doubt, to be fonnd in their education. Common schools havo beon in existence in that country fortwo centurics, and the strict family training of childrcu by catechisms being similar to that which use to prevnil in New England, and various other parts of our country. The Welsh, the Norwegians and Trish uso oatmeal extensivo for food.—Sci. Am. Patent Lunacy. The Railroad Guide, ina very sensible article says: Thero is no more melancholy sight than a man afflicted with this mania —which iu many of its aspects closcly resembles tho passion for gambling—who is poor and dependent upou his daily exerttous for tho support of himself and family. He has constantly beforo him the vision of aflluence, and with it the pangs of poverty. Experience teachos often in ynin, and one failure only eeems to gild the brighter the next vagary of invention. We knowof men who for years have spent all the time and money they could control to develop nnd hring into use inventions which it was quite easy to demonstrnte would be practically useless. These same men, if remonstrated with for thus following 2 constantly losing carecr, are always ready to justify themselves by citing the great inventors whose beginning were equally discouraging and whoso ultimate euccess was nevertheless most brilliant. Alas! if those who reason thus would only etudy, among other things, logic, eo that they might see that because eome inventors were iu the beginning poor and had a hard time generally, but eucceeded in the end, it does not thorefore follow that alt who exercise the inventive faculties in the midst of penury will emerge ultimately into enccess and aftluence, . Tor Mysrerms or A Hair Brusn.—A. writer in the American Journal of Micro-. scopy has been exploring the forests of bristles in a hair brush eurreptitioualy . purloined from a lady’s toilet staud, and though it contained nothing which wo are accustomed to regard with unqualified horror, the results of his iuvestigations prove that there are myeteries ordinarly undreamed of in simple appliances of the toilet. There are concealed in the damp lint of hair brushes, unless kept olean by the use of bicarbonato of potassa or carbonate of soda, mauy liviug things, too small for detection by tho naked eyc, some of which, we are told, aro of more than suspicious character, being known as tho originators of ecaldhead nnd other diseases of the scalp. The author concludes his article hy a caution against wetting the head, recommendiug dry hrushing instead. He aleo recommends the use of a weak solution of carbonic acid or eulphate of soda ae a cleaning material for hair brushes. Tue telegraph cable from Jaya to Australia has been sucecsfully laid. Japanese Tes. A Japanese handbill, which we have fonnd in a package of tea, from Hewes & tichards, reads thus: “They aro beth kinds; Yeesay and Sanging; itis the nome of the mountain; there very much foggy cover the top of the mountain to the foot are constantly. Thero quality nre euperior and genuine, Auy person who wns feeling indisposed may try take n enp of it in a few morning,and will feel much better and good spirit. With expressly packed fer Tuperial. By Foohing & Co., Yokohama.” This handbill is evidently written by a Japanese and it gives us un idea of Japanese progress iu learning our langnage. Evidently the scholar has confidence thnt he can muke himself understood, oud in this he is not mistuken. We learn something from it that may he useful to us. This tea is presented as a supertiue article, and its superiority is attribnted to the foggy mountain-side on which the tea plants are grown. This suggests that our eoust range clovntions may be adapted to tea culture. California experience in tea planting has been so iuterrupted by unteward circnmstances, that a fair trial has not been made. All we have proved is that the plant will thrive if it arrives here iu good cendition —better one year old than more; and that it must be irrigated in summer. The seed will also germinate, and it is preferable to transplauting. But the tea nutis very eily. The oil even gets rnneid and the nut is useless. Bo enre, therefore, of your seed before you plantit. We are not certain that palatable tea cau be made here. Change of olimate often chauges properties. Herr Schuell’s samples from El] Dorado tea plants were not decisive on that point.—Alia, Inaronity of THE Pia From Insury by Syrvenr Brrrs.—The impression is generally provaleut in the United States that tho common domestio pig ie an especial onemy of all kinds of serpents, and that it is capable of receiving the bite of the rattlesnake and copper-head without the elightest personal inconvenience or injury. This same immunity from harm would seem to oxist in other countries, as a late writer in tho London Field remarks upon the fondness of the pige in India for the cobra de cnpello, and states that he has repeatedly seen them iu conflict, and has observed the pig to be bitten over and ovor again in tho snout and about the face by the writhing reptile, and in no instance with the slightest il] results to the aggreseor. : Buus Guass For GREENHOUSES.—We find that Robert Buist, Sr., indorses the use of blue glass in greenhouses and other structures for forcing plants, ete. In a communication to Tilton’s Journal of Horticulture he says: I applied a coating of Prussian-blue paint, eix inchee wide, up the ceuter of each row of panes; the result was electric, and in 2 few days the plants assumed their heautiful green color, and the trusses of bloom came to maturity. The greenhouse had been used to grow geraniums for bedding purposes, but they had loet their color every year about the first of April. Tho plants wero completely rejuvenated by the hlue glass. Conorep Canpir Licur.—Wax candlee are made of different colors, but they all emit a white light. Why may not candles be manufactured, by introducing certain chemicals into the material from which they are made, so as to show a variety of colors, such as blue, red, green, etc.? By arranging such candles in tasteful groups, beautiful effecte may be produced in illuminating buildings. If some ingenioue chemist will devise a way of embraciug a cheap chemical with any of the material used for illuminating caudles so as to render tho light emitted from them of any deeired color, he will make a fortune by his discovery. —Commercial Bulletin. Guinra Goup.— The French Journal Official says that gold production is rapidly increasing in the French colony of Guiana, of South America. The annual roduct has eularged from 25,974 francs in 1856 to 1,685,643 francsin 1871. The product between 1856 and 1869 amounted to over ten million of francs. Gold mining industry in Guiana pays an anuual tax of about tweuty cents per acre, and an export duty of four per cent. upon bullion. ‘The iudustry promises to attract to these tropical regions a numerous aud onergetic populatiou, Goon Hearth. ‘Poisonous Exhalations, Poisonous oxhalations from draius are a far greater source of mortality than is geucrally supposed. Drince Albert, consort of Queen Victoria, no doubt come to his end from such a cause, and the heir ‘‘apparent”
has just beou snatched from the jaws of death, to which extremity he was undonbtless reduced hy breathing the exhalations from a defeetive drain, If all the gnards that are usnally thrown ahout royalty, fail to secure immunity from such cxposure, what are we to expect in humble life, wheu, from neeessity exposure is often knowingly submitted to, Only two or three weeks since the English mnil informed us that a Iarge nnmber of operatives in a factory in Preston, England, became suddeuly ill, and had to cease werk. Several hnd already died, and others were not expected to recover, An examination showed that they had been working over a defective drain, No doubt the list of mertality is largely swelled by such cause, operating in unknewn ways and quarters in every large city in the world, to say nothing of less pepulous neighberhoods. It is time that the public was taught to have more regard to such dangereus expesures in less populous neighborheeds, It is time that the public was better informed with regard to the danger from such exposures, and that more attention was paid to the drainage system ef our cities and houses by those have who immediate official authority iuench matters. Defective drainage nnd impure milk, lead to more deaths than any other teu or a dozen causes combined. The Cause of Whooping-Gough. The germ-theory of disease, which some pathologists seck to extend so widcly, has been npplied by Dr. Letzerich to explain the extremely infectious disease, whooping-cough. He thinks he’has discovered a form of fungoid growth which vegetates in the air-passages, and by its irritation causes the convulsive attacks of coughing. The expectorated mucous in patients suffering from this disease is said to contain masses of brownish red spores with occasional threads of mycelium, which in later stages of tho disease becomo very abundant. The spores are colored blue hy iodiue and sulphuric acid. These observations were coutrolled first by cultivation of the epores on piecos of bread soaked in milk, and further, by introducing masses of the fungous growth thus obtained into the trachea, of young rabbits. This was effected by tracheetomy, but the animals rapidly recovered from the effects of the operation, and ina ehort time hecame affected with a cough of a very violent and noisy character; in fact, a genuine whooping-cough. ‘The rabbits thus effected were killed, and their air-passages and lungs found to contaiu an enormous quantity of the same fungous as that met with in the sputa from human whooping-cough; and, in fact, the mucous expectorated hy the rahhits ehowed precisely the samo appearance.—WMiscroscopical Science. Carr or tue Frer.—Concerning this eubject the Scientific American very truly eaye: ‘‘Many are careless in the keeping of the feet. If they wash them once a week they think they are doing well They do not consider that the largest poree are located in the bottom of the foot, and that the most offensive matter is discharged through the pores. ‘They wear stockings from the beginning to the end of the week without change, which become perfectly eaturated with offensive matter. I] health is generated by euch treatment of the feet. The pores aro not repellante but absorbente, and this fetid matter, to a greater or less extent, is taken back into the system. The feet ehould he washed every day with pure water only, as well as tho armpits, from which an offensive odor is also emitted, unless daily ablution is practiced. Stockings ehould not be worn more than aday or two at a time. They may he worn one day, and then aired and sunned ond worn auother day, if necessary. Ammonia aS A Curt ror Snake Bires.— As many as 8,000 pereons die annually, in British India and Bnrmah, from the effects of snake bites. The Inspector of Police to the Bengal Government now reports that of 939 cases, in which ammouia was freely administered, 702 victims have recovered, nud in the cured instances, the remedy was not administered till about 31% hours nfter the attack, on the average. In the fatal cases, the corresponding duration of time was 414 hours. Physical Development. T. W. Higginsen has taken pains to compare the vital statisties of several generations of two old New England families, and he finds to the dismay of those who mourn the physical degeneracy of woman since the days of our great grandmothers that the stock has improved, if anything. He adds: No man of middle age can lock at a class of students from our older colleges witheut seeing them to be physieally supevior to the same number of college boys taken twenty-five years ago. The organization of the girls being far more delieate and complicated, the sume reform reaches thei less premptly, but it reaches them ut lust. The little girls of the present day eat better food, wear more healthful clothing and breath more fresh air than their mothers did. The introduction of India-rubber beots and water proof cloaks alone hae given a fresh lense of life to multitudes of women who otherwise would have been kept housed whenever it so much as sprinkled. It is desirable, certainly, to venerate our grandmethers but I am inclined to think on the whele that their great-grauddaughters will be the best. Bic Sunpay Dixyers.—A Sunday’s dinner is made the most sumptuous meal of the week in n great mony heuscholds, and the guests retire from the table more like gorged anacondas than intellectunl human beings, with the result that during the whole afternoon there is such an amount of mental, physical and religious sleepiuess, if net actual etupidity, that no duties whatever are perfermed with alacrity, efficiency, and acceptableuess The Sunday dinner mado of a cup of hot tea, eome bread and butter, with a slice of cold meat, and absolutely nothing else, would be wiser and better for nll; it would give the servants more leisure ; the appetite would be as completely entisfied half an afterward, while body, brain and heart would be in a fitting condition to perform the duties of the Sabbath with pleasure to ourselves, with greater efficiency to others, and doubtlese with larger acceptance to him toward whom all our service is due,— Hall's Journal of Health. Exrosep Arms.—A very distinguished Paris physician says: ‘‘T believe that, during the twenty years I have practised my profession, twenty thousand children have been carried to the cemeteriee, a sacrifice tothe absurd enstom of exposing their arms, Putthe bulb of athermometer into a baby’s mouth and the mercury risee to ninety degrees. Now carry the same to its little hand; if the arm be bare and even cool, the mercury will sink to fifty degrees. Of course, all the hlood that flows through these arme must fall from ten to forty dogrees below the temperature of the heart. Need I say, when these currents of the blood flow back to the chest, the child’e vitality must bo more or less compromised ? And need Ladd that we ought not to he surprised atthe frequently recurring affections of the tongue, throat, or stomach ? I have seen more than one child, with habitual cough or hoarseness, entirely relieyed hy eimply keeping the hands and arms warm.” Smeunar Deata.—Mr. E. (', Chambere, the Park street etation agent of the Medforth branch of the Boston & Maine railroad, met with his death ina very singular way, eome days since. His little daughter was sick with the diptheria, and he put his hand on her mouth for eome purpose or other, and the child seized upon his hand and bitit. The marks of the teeth were very slight, comparntively, but the ekin was hroken slightly, and the poison from the tecth was transmitted through Mr. Chambere’ eystem, and after a week’s illnees, during which hie body hecame much swollen, he died. Tue prospects of medical education for women are brightening. ‘The medical faculty of Moscow, Russia, it is etated, have not only decided that the privilege of acquiring a thorough medical knowledge would be of utility to women, hut have “yesolved to admit them to the educational courses and lectures of the University, and to the privilege of following all the labors of the Medico Chirurgical Academy.” Cunpuranco hae had a fair trial at Bellovue Hospital, New York, and has proved a failure. Curr vor Diprueria.—A eimple treatment of diptheria may be found in the use of lemon juice. Gargle the throat freely with it, at the same time swallowing a portion, so as to rcach all the affected parts,