http://www.judsonguru.com/The story of the Judson Supercharger. A brief history of the company. We do a deep dive on the Supercharger with George Folchi from New Milford Connecticut. George is the guy when it comes to rebuilding your Judson. He can fully rebuild it as well as supply multiple hard to find parts. George also has a large quantity of Ampco lubricators available if you don't have a marvelous mystery oiler. Here are links to the history by John E Moxon 

Judson History

http://www.ampcolubes.com/