Bausch & Lomb Optical Co. (Rochester, NY)
Iris Diaphragm Shutter, 1891-type, Brass - c. 1896
3" dia. brass Iris Diaphragm
Shutter marked: "Bausch & Lomb Optical Co. Pat. Jan 6, 1891
2507"
3¾"
dia. brass Iris Diaphragm Shutter marked "Bausch & Lomb Optical
Co. Pat. Jan. 6, 1891 2507"
3" dia. brass Iris Diaphragm Shutter
marked "Bausch & Lomb Optical Co. Pat. Jan. 6, 1891 2852"
Notes: This
is an unmarked rapid rectilinear-type lens in a 3"
diameter brass Iris Diaphragm Shutter, patent date of 1891, ser.
#2852.
References:
The Internation Annual of Anthony's
Photographic Bulletin", Vo. IV,
June, 1891, E. & H.T. Anthony & Co. (New York, NY), ads p.56
How to Make Photographs and Descriptive Price List,
The Scovill & Adams
Co. (New York, NY), abt. June 1892, pp. 83-84
Descriptive Catalogue of Photographic Apparatus and Supplies, G.
Gennert (New York, NY), dated Jan. 1, 1895, p.32
Illustrated Catalogue of Photographic Equipments and
Materials for Amateurs, E. & H.T. Anthony &
Co. (New York, NY), December, 1895, p. 77
Catalogue "G" 1898 Photographic Apparatus and Materials,
Montgomery Ward & Co. (Chicago, IL), p.35
Illustrated Catalogue of Photographic Equipments and Materials for
Amateurs, E. & H.T. Anthony & Co. (New York, NY), February, 1898, p.
73
Illustrated Catalogue of Photographic Equipments
and Materials for Amateurs, E. & H.T. Anthony & Co. (New York, NY),
November, 1898, p. 68
Department 5, Photographic Supplies, Lenses, etc., Andrew J. Lloyd
& Co. (Boston, MA), undated c.1898, p.34-35
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