Bausch & Lomb Optical Co. (Rochester, NY)

 

Volute Variation 2 - c. 1900

 

1294.rochester.optical.co.-long.focus.premo.lens.volute.no.2-1000.jpg

 

1294.rochester.optical.co.-long.focus.premo.var.3-6x8-lens.rr.in.gold.volute.shutter-1500.jpg


Notes: 

Volute No. 1 has the speeds of Time to 1/150.

Volute No. 2 has the speeds of Time to 1/100. 

Volute No. 3 has the speeds of Time to 1/75.

 

References:

Premo Cameras, Rochester Optical Co. (Rochester, NY, dated 1907, p.52

 

 

 

 

 

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