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

View source image on contributor's website.

Get Citation

Have a question about this item?

Contact Owner

Item information. View source record on contributor's website.

Title: Ruling engine 'A' at 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 observatory -- interference test for eccentricity & pitch errors. Photo taken at Mount Wilson Observatory's Pasadena optical laboratory.
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 1685
29682
http://hdl.huntington.org/cdm/ref/collection/p15150coll2/id/515
Subject: Diffraction gratings
Spectrum analysis--Instruments
Optical instruments
Astronomical instruments
Machinery
Photographic prints. (gmgpc)
Place: Pasadena (Calif.)
Source: Photographs, Huntington Digital Library

About the collections in Calisphere

Learn more about the collections in Calisphere. View our statement on digital primary resources.

Copyright, permissions, and use

If you're wondering about permissions and what you can do with this item, a good starting point is the "rights information" on this page. See our terms of use for more tips.

Share your story

Has Calisphere helped you advance your research, complete a project, or find something meaningful? We'd love to hear about it; please send us a message.