Vintage Vending Machine Exhibit Supply Company Arcade 1920s-1940s. 1920s-1940s Exhibit Supply Company Arcade Vending Machine. Made by the exhibit supply company of Chicago. The ESCO-Exhibit Supply Company vending machines evolved over the coming years, and have become highly sought after by collectors. This vending machine from the original 1921 patent was still in use through to the 1940s with only minor changes, with most made to the coin mechanism. Its size is Approximately 7? X 10? X 11? . The machine is in really great shape inside and out. This machine has the 2 original 1939 Salutation exhibit cards of Joe Dimaggio and Jimmie Foxx still in the machine. Other Options Upon Request.