| OCR Text |
Show COW IS A REAL ASSET Goes Through Her Span of Years Yielding Her Full Quota of Milk. With no apparent effort tho cow goes through her span of years yielding her full quota of milk and looking always ns If sho could Impart great secrets to tho world If she had tho gift of speech. Sho Is an Industrial asset, not a mere purveyor of baby food. It has been proved that casein, which forms over 3 por cent of tho total weight of cow's milk, is an Important commercial product, prod-uct, and may bo profitably employed In tho manufacture of glue, combs, buttons, but-tons, linoleum, hairpins, toys, paints and even shoo polish. In tho preparation of casein for commercial com-mercial pun08cs, about 700 gallons of skimmed milk aro put Into a great vat and heated to about 133 degrees Fahrenheit, Fah-renheit, says Popular Sclcnco Monthly. Thon very dlluto sulphuric ncjd Is added to prcclpltato tho cusetn dr curd. Tho w hey Is drawn off and tho Curd Is drained nnd cut Into chunks, after which Btrcnms of cold water aro played on It to wash out the acid. Tho curd Is then dried with rotary fans and ground Into powder, In which form It Is placed on tho market. One hundred pounds of skimmed milk will yield about 8V& pounds of casein powder. |
