Prosch Mfg. Co. was a shutter maker based in New York. In the 1880s and the 1890s it made brass shutters with adjustable spring tension for manipulation of shutter speed.

ShuttersEdit

• Eclipse
• Duplex
• Duplex Stereoscopic
• Triplex
• Rapid
• Columbian Triplex
• Athlete

LinksEdit

• Tristram Ludwig collection showing American Optical Co. cameras with Prosch shutters
• English field camera with Prosch shutter at Wood and Brass [1]
• Flammang's patent revolving back camera of Scovill with Prosch shutter at Antique & 19th Century Cameras [2]
• Novelette with Prosch shutter at Pacific Rim [3]
• antique shutters at Photica.net [4]