This site may be of interest. You can 'ask for help' and they have lots of information.
http://arguscg.tripod.com/index.html
Also Stephen Gandy has info on the Argus C-44:
http://www.cameraquest.com/argc44.htm
He actually refers to the bayonet mount as difficult. I don't want to cut-and-paste his site, out of respect for his material, but you'll find it ably described there.