This is a hog scraping rail from the early 1900's. It consists of hooks with wheels attached to an overhead track. The track creates a line of meat that runs from station to station as the carcass goes through its process of disintegration.
An advertisement by Swift & Company for "Swift's Premium" ham. The advertisement includes the image of a young child in a chef's outfit cutting up large pieces of meat. Tips for cooking certain cuts and very basic recipes like "Premium Ham Shank…