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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.

Shutters[]

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

Links[]

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