2-356-715 - Curt Teich Postcard Archives/Heritage Images

Revolving hog wheel, Armour Plant, Union Stock Yards, Chicago, Illinois, USA, 1915. Postcard showing workers attaching hogs by their legs to a giant wooden wheel as part of the slaughtering process. Because of its status as a major rail hub between the Great Plains and the major markets on the East Coast, Chicago became the centre of the American livestock and meat industry.