[Halftones from photographs of the U.S. Patent Office Building in An account of the destruction by fire of the north and west halls of the model room in the United States Patent Office Building, on the 24th of September, 1877]
[Halftones from photographs of the U.S. Patent Office Building in An account of the destruction by fire of the north and west halls of the model room in the United States Patent Office Building, on the 24th of September, 1877]
Description:
"2 Half-tones (planographic) from photographs of the U.S. Patent Office Building. Clear dot pattern from a cross-line screen, or a single line crossed during exposure...Heliotype Printing Co., Boston (half-tones)."--Hanson Collection catalog, p. 57
Forms part of the David A. Hanson Collection of the History of Photomechanical Reproduction
In: An account of the destruction by fire of the north and west halls of the model room in the United States Patent Office Building, on the 24th of September, 1877; together with a history of the Patent Office from 1790 to 1877; illustrated. Washington, D.C., 1877 -- Title supplied by cataloger