National Geographic : 1942 Mar
284 The National Geographic Magazine For Six Generations Laboratory Wirehairs Have Eaten Only Pard and Water Swift and Company puts eight ingredients into dogfood: meats, wheat, barley, tomato puree, two vita mins, soybean flour, and dried milk. The plant's "zoo" has monkeys, turkeys, chickens, ducks, and thousands of guinea pigs, rats, and mice to test effects of human foods. From Squeal to Steel-A Still Life Biography of Bacon It takes an armory of 29 knives, each wielded by an Armour expert with the skill of a surgeon, to dissever a porker. Functions of knives are indicated by their names, such as (counting left to right in front row): 1. sticker; 3. lip shaver; 4. hog header; 9. gut snatcher. In center are a bung fat scraper and an eyelash hook. The spoonlike implement above the big hog-splitting cleaver (right) is a bone clipper. The circular disk with two handles, upper center, cuts bacon from fat back as a moving table carries a side under the blade.