L. M. Prince & Bro. (Cincinnati, OH)

Rapid Hemispherical Lens - c.1880's-c.1890's

Illustrated Catalogue No. 18, L.M. Prince & Bros. (Cincinnati, OH), c. 1899, p. 42


 


Notes: 

Gray's Rapid Symmetrical Periscope Lens was a fairly popular wide angle lens of the 1890's.  As its name states, it was a symmetrical rapid rectilinear type lens.  There was also a Gray's Wide Angle Lens and a Gray's Extreme Wide Angle Periscope, which had a coverage of 115.

References:
Illustrated Catalogue No. 18, L.M. Prince & Bros. (Cincinnati, OH), c. 1899, p. 42
 

 

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