Bausch & Lomb Optical Co. (Rochester, NY)
Shutter, 1888-type, Brass - c. 1889
Notes: This is an
unmarked rapid rectilinear-type lens in a 3" diameter brass
Iris Diaphragm Shutter, marked: "Bausch & Lomb Optical Co. Rochester, New
York 435 Pat. May 15, '88".
International Annual of Anthony's Photographic Bulletin, Vol.
W. J. Harrison and A. H. Elliot, eds., E. & H. T. Anthony &
Co. (New York, NY), ads p. 107
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