Image / B' ruling engine, close up of the cam wedge, at the Hale …

B' ruling engine, close up of the cam wedge, at the Hale Observatories machine shop, Pasadena

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Title: B' ruling engine, close up of the cam wedge, at the Hale Observatories machine shop, Pasadena
Date Created and/or Issued: 1951-03
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: 'B' ruling engine, close up of the cam wedge, at the Hale Observatories machine shop, Pasadena.
Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Type: image
Format: image/tiff
Extent: 1 4X5 film neg; 1 8X10 print
Identifier: COPC 1709
29706
http://hdl.huntington.org/cdm/ref/collection/p15150coll2/id/1817
Subject: Diffraction gratings
Spectrum analysis--Instruments
Optical instruments
Astronomical instruments
Machines
Machinery
Photographic prints. (gmgpc)
Place: Pasadena (Calif.)
Source: Photographs, Huntington Digital Library

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