Image / B' ruling engine

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Title: B' ruling engine
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.
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 1699
29696
http://hdl.huntington.org/cdm/ref/collection/p15150coll2/id/1810
Subject: Diffraction gratings
Machinery
Machines
Optical instruments
Astronomical instruments
Spectrum analysis--Instruments
Photographic prints. (gmgpc)
Source: Photographs, Huntington Digital Library

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