Bausch & Lomb Optical Co. (Rochester, NY)

 

Iris Diaphragm Shutter, 1891-type, Brass - c. 1900

 

 

Bausch & Lomb 6½x8½" Plastigmat (double anastigmat) lens in a 4" diameter brass Iris Diaphragm Shutter, patent date 1891, ser. #20900.

 

Unmarked rapid rectilinear-type lens in a 3" diameter brass Iris Diaphragm Shutter, patent date 1891, ser. #16098.
076.rochester.optical-carlton-6x8a-unmarked.lens.in.b&l.iris.diaphragm.shutter.jpg

 

 


Notes: 

References:
Descriptive Catalogue and Price List of Photographic Apparatus, E. & H.T. Anthony & Co. (New York, NY), November 1893, p.73
Illustrated Catalogue of Photographic Equipments and Materials for Amateurs, E. & H.T. Anthony & Co. (New York, NY), December, 1895, p. 77
Catalogue of Photographic Apparatus, Rochester Optical Co. (Rochester, NY), May 1897, p. 52
Catalogue of Photographic Apparatus and Supplies, Blair Camera Co. (Boston, MA), 1897, pp. 28-29
Catalogue and Price Lists, Sunart Photo Co. (Rochester, NY), 1898, p.48
Sunart Photo Co. 1899, Sunart Photo Co. (Rochester, NY), 1899, p.52
Photography has Made the Sun an Artist, Andrew J. Lloyd (Boston, MA) catalog, 1899, pp.53-55
Catalogue No. IIII of Professional and Amateur Photographer's Supplies, Wm. F. Uhlman (St. Joseph, MO), c.1901, p. 21
 

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