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Image / Ruling engine 'A' in the Mount Wilson Observatory's Pasadena optical laboratory

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Title
Ruling engine 'A' in the Mount Wilson Observatory's Pasadena optical laboratory
Date Created and/or Issued
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
Contributing Institution
Huntington Library
Collection
Photographs
Rights Information
For information on using Huntington Library materials, please see Reproductions of Huntington Library Holdings: https://www.huntington.org/library-rights-permissions
Description
Ruling engine ('A' machine) in main shop of Mount Wilson Observatory's optical laboratory -- starting screw; showing double slide rest.
Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Type
image
Format
image/tiff
Identifier
COPC 1688
29685
http://hdl.huntington.org/cdm/ref/collection/p15150coll2/id/518
Subject
Diffraction gratings
Spectrum analysis--Instruments
Optical instruments
Astronomical instruments
Machinery
Optical laboratories
Workshops
Interiors
Photographic prints. (gmgpc)
Place
Pasadena (Calif.)
Source
Photographs, Huntington Digital Library

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