[Photochrom views of historic sites in various cities]
Portfolio
Detroit Publishing Company
American
[Photochrom views of historic sites in various cities]
1898–1904
Portfolio with photolithographs (Photochrom)
Overall: 9 1/2 × 7 5/8 × 3 1/4 in. (24.2 × 19.4 × 8.2 cm)
Gift of Alden Scott Boyer
1981.1405.0001-0095
DescriptionA portfolio containing 95 unbound card mounted full-color views of a variety of cities and monuments, both U.S. and abroad, contained in a grey clothbouond four flap case with ties. Printed by a special lithographic process, "Photochrom", (also called the Aäc process), these prints are colorized images produced from black and white photographic negatives via the direct photographic transfer of a negative onto lithographic printing plates. The process is properly considered a photographic variant of chromolithography which is a broader term referring to color lithography in general. Each tint is applied using a separate stone bearing the appropriate retouched image. The finished print is produced using at least six, but more commonly from 10 to 15, tint stones.
Inscriptions Inscribed in Boyer's hand in pencil on inner flap, TC: 95 Pictures [underlined] Boyer \ Di[illegible] \ 11| \ 48| \ I [circled] Σ. NY \ rare these! \ B \ not photographically \ printed but \ photographically \ copied + lithographed \ in color \ B \ Magnificent \ really the 1st \ Kodachrome \ B
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