R. D. Gray (New York, NY)

Extreme Wide Angle Periscope/Extreme Wide Angle Periscopic Lens - c.1880's-c.1890's

 

The International Annual Anthony's Photographic Bulletin, Vol. III, 1890-1891, W. J. Harrison and A. H. Elliot, eds., E. & H. T. Anthony & Co. (New York, NY), ads p. 131



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:
The International Annual Anthony's Photographic Bulletin, Vol. I, 1889, W. J. Harrison and A. H. Elliot, eds., E. & H. T. Anthony & Co. (New York, NY), ads p. 52
The International Annual Anthony's Photographic Bulletin, Vol. III, 1890-1891, W. J. Harrison and A. H. Elliot, eds., E. & H. T. Anthony & Co. (New York, NY), ads p. 131
Descriptive Catalogue of Photographic Apparatus and Supplies, G. Gennert (New York, NY), c. 1893, p. 13
Illustrated Catalogue of Photographic Equipments and Materials for Amateurs, E. & H.T. Anthony & Co. (New York, NY), February, 1898, p. 52
Illustrated Catalogue No. 18, L.M. Prince & Bros. (Cincinnati, OH), c. 1899, p. 63
 

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