Ampro Corporation was founded in Chicago, Illinois by Swedish entrepreneur Axel Monson who arrived in the U.S. in 1902. In 1924 Axel began to study the motion picture industry and by 1929 he had perfected a new 16mm. projector, known under the trade name AMPRO, Axel Monson PROducts.
The business was a success and at one time employed 700 people.
What's it worth? Take a look at this list of: sold Ampro 16mm Projector for a value indication.