Social England : a record of the progress of the people in religion, laws, learning, arts, industry, commerce, science, literature and manners, from the earliest times to the present day . are produced. On January 21st, 1870, Tyndall delivered a lecture, at theRoyal Institution, on Dust and Disease, and gave the resultsof some investigations of his own on floating organic matter intlio air. Examination of air before and after being subjected toa very high tenqieraturc showed that a large proportion of thedust it contained was organic matter, since it disappeared on PHYSICS, h<i4(J-lSS5. ??
Social England : a record of the progress of the people in religion, laws, learning, arts, industry, commerce, science, literature and manners, from the earliest times to the present day . are produced. On January 21st, 1870, Tyndall delivered a lecture, at theRoyal Institution, on Dust and Disease, and gave the resultsof some investigations of his own on floating organic matter intlio air. Examination of air before and after being subjected toa very high tenqieraturc showed that a large proportion of thedust it contained was organic matter, since it disappeared on PHYSICS, h<i4(J-lSS5. ?? ,^ burnt. In the course of the lecture Tyndall propounded agerm theory of diseases, saymg that as surely as a pig comesfrom a pig, or a grape from a grape, so surely does the typhoidvirus, or seed when scattered about among people, give rise totyphoid fever, scarlatina virus to scarlatina, and small-pox virusto small-pox: and that the virus was carried about by the. Iltoiu: Ua^fiiiw, out lion I SUxl, If. IliorEssou JOHN tyxiull. floatincr oro-anic matter in the air. Many eminent men werepresent at^ the lecture, and of the nRdieal professionreceived his views with disfavour, going so far as to ridicule the>rerm theory. The accuracy of that theory has since, however,been proved over and over again, aiul the discovery of theway in which diseases arc spread has been of incalculable benefit to mankind. It was as a popular lecturer that Tyndall excelled, lliereason of his success in lecturing to the • unscientiHc may 708 TEE SUCCESSION OF THE DEMOCRACY. FaradaysTubes ofForce. ClerkMaxwell. amongst be found in Lis aplitiule for imparting his knowledge in thesimplest language, and in exciting the interest of an audience byhomely illustratii:>ns. He probably did more than any otherman of science to raise the standard of educationthe uneducated classes. Wlien Faraday projioundcd his theoiy of electromagnetism,in which he explained the variou
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyo, bookyear1901
