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Show I . The Relationship of I Chemistry to Industry B Chemistry is Intimately connected M with oil plmBcs of industry. Agricul- H turo, mining, commerce mid liomo H economics rest firmly upon tlio foun- H datlon Btono chemistry. In tlio begin- B nlng nil industry rostcd only on nn B empirical basis. But with the birth H nnd development of modern chemls- B try was placed upon a truly sclentl- H lie basis. M Fifty years ago Ilaron Von Lleblg H said "Agriculture is of nil industrial B pursuits, tlio richest in facts, and B tlio poorest in their comprehension Knots aro llko grains of sand, which fl nro moved by the wind, but principles B nro these snmo grnlns cemented Into m rocks. SInco that time tlio nppllcn- B tlons of chomlstry to ngrlciilturo has B cemented theso facts into tlio prlncl- B pals of modem ngrlculturo as wo now B know It. Tlio ngronomlst Is depend- fl cnt upon chemistry for nccurnto B knowledge of his crops nnd soils. Tlio B modern conception of tho plant foods B and tho proper nutrition of plans B have been dovolopod by tho nppllca- B tions of chemistry. I, Tho animal husbandmen Is depond- ' cnt upon chemistry for tho knowledge m of tho composition of his feeds nnd B their proper proportion. It must al- 1 so bo remembered that It was a client- m 1st who devised tlio Dnbcock test. 1 Tho truo valuo of tho milk produced H Is demonstrated by tho applications H of chemistry. Tho entomologist must 1 turn to chemistry for Information re- B gardtng his sprays, insecticides nnd B poisons. Without tho application of H modern chemistry tho entomologist J would never havo been heard from B but would havo been consumed by H his own lnsocts. Tho poultry mnn Is H dependent upon chemistry for con- H croto Information regarding his feed, H tho proper method of mixing. Mod- H ern artificial Incubator lias been do- H velopcd by application of chemistry. H Tho veterinary surgeon likowlsa calls H upon tho chemist for help nnd ro- H coives It In tho form of antiseptic H agents. H As It Is with agrlclturo so it is with H, other forms of Industry. Alining Is Bt dependent upon chemistry for tho BB methods of extractions of gold, sll- BBJ ver, copper and other valuable mot- BB nls. Tho economic world today Is BBJ, stirred as never boforo to devise mo- BBt thods or securing dyes which aro pro BHt duccd cntlroly in tho chemical lnbora- BH torlcs, modern wars aro dependent BBJ upon tho chemist for tho modern ex- BB plosives, dynamite, and gun cotton, BBj modern transportation would bo lm- BH possiblo without tho steel rail which BH in turn could not bo produced with- HB out tho applications of chomlstry. BH Chemistry thus nfTccts us In all of BH our relations with tho common affairs B of lifo Student Llfo. |