Anthony E.A. View Lens Variation 4 was advertised at the same time as the other three variations. Its advantage over them is that it had a much larger diameter of glass, and therefore was a faster working lens. It is a typical single achromatic lens, in that the maximum aperture useful for photography is considerably smaller than the diameter of the glass - hence the rather small fixed aperture. This configuration gives such lenses the nickname of pillbox. Smaller apertures are inserted from the front and held in place by a metal ring. A metal lens cover (for making the exposure in this era of very slow emulsions) slips over the front.
References:
Illustrated Catalogue Issued Annually by Thos. H. McCollin, Thos.
H. McCollin (Philadelphia, PA), January 1, 1876, p. 24
No engraving in 1876, but the offered sizes are the same as in Anthony
1882 and prices are comparable with a the slight increase in prices seen
for all lenses between 1876 and 1882)
Revised Illustrated Price List of Anthony's Amateur Equipments
(pamphlet), E. & H.T. Anthony & Co., June 10, 1882, p.2
Illustrated Catalogue of Photographic Equipments
and Materials for Amateurs, E. & H.T. Anthony & Co., New York, NY,
May 1885, p.
9 (illustrated as the lens included with Amateur
Outfit No. 7)
Illustrated Catalogue of Amateur Photographic
Equipments & Materials, E. &
H.T. Anthony & Co. (New York, NY),
September 1885,
p. 8
Catalogue No. 7, T.F. Indermill, (St. Joseph, MO), 1 Oct 1885, p.
92
Illustrated Catalogue of Photographic Equipments
and Materials for Amateurs, E. & H.T. Anthony & Co. (New York, NY),
January 1890, p.39
Illustrated Catalogue of Photographic Equipments
and Materials for Amateurs, E. & H.T. Anthony & Co., New York, NY,
January 1891, p. 47
Descriptive Catalogue and Price List of Photographic Apparatus,
E. & H.T. Anthony & Co. (New York, NY), November 1893, p.24
Illustrated Catalogue of Photographic Equipments and Materials for
Amateurs, E. & H.T. Anthony & Co. (New York, NY), February, 1898, p.
64
Illustrated Catalogue of Photographic Equipments
and Materials for Amateurs, E. & H.T. Anthony & Co. (New York, NY),
November, 1898, p. 58
Photographic Goods 1842-1904, The Anthony and Scovill Co., (New
York, NY), 1904, Catalog A, p.32
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