California Historical Society Collection, 1860-1960

Los Angeles Area Chamber of Commerce Collection 1890-1960

Drawing by R.W. Porter depicting an interior view of Palomar Observatory and a cross-sectional view of the vacuum aluminizing chamber of the 200-inch telescope, 1940

(USC DC Image)

Drawing by R.W. Porter depicting an interior view of Palomar Observatory and a cross-sectional view of the vacuum aluminizing chamber of the 200-inch telescope, 1940

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Photograph of a drawing by R.W. Porter depicting an interior view of Palomar Observatory and a cross-sectional view of the vacuum aluminizing chamber of the 200-inch telescope, 1940. The 200-inch telescope is shown to the left of center, perched atop a metal platform with a man sitting on top of the giant machine. The illustration reveals the cross-section of the vacuum aluminizing chamber through layers of the apparatus. The interior of the dome of the observatory is seen in the background.

Asset Metadata

Title Drawing by R.W. Porter depicting an interior view of Palomar Observatory and a cross-sectional view of the vacuum aluminizing chamber of the 200-inch telescope, 1940

Creator Porter, R.W. (author)

Publisher University of Southern California. Libraries (digital)

Date Created 1940

Subject Astronomical instruments (lcsh), Mount Palomar Observatory (subject), Observatories (lcsh), Observatories -- Mount Palomar Observatory (file heading), research facilities (adlf), Telescopes (lcsh)

Tags OAI-PMH Harvest

Place California (states), San Diego (counties), USA (countries)

Temporal Subject 1940

Type images

Format 1 photograph : photoprint, b&w ; 21 x 26 cm. (aacr2), art (aat), photographic prints (aat), photographs (aat)

Source California Historical Society (contributing entity), California Historical Society Collection, 1860-1960 (collection), Los Angeles Area Chamber of Commerce Collection, 1890-1960 (subcollection)

Repository Email specol@lib.usc.edu

Repository Name USC Libraries Special Collections

Repository Location Doheny Memorial Library, Los Angeles, CA 90089-0189

Rights Public Domain. Please credit both “University of Southern California. Libraries” and “California Historical Society” as the source. Digitally reproduced by the USC Digital Library.

Copyright Public Domain. Please credit both “University of Southern California. Libraries” and “California Historical Society” as the source. Digitally reproduced by the USC Digital Library.

Access Conditions Send requests to address or e-mail given

Permanent Link (DOI) https://doi.org/10.25549/chs-m10564

Identifier 42383 (accession number), CHS-42383 (call number), CHS-42383 (filename), chs-m825 (legacy collection record id), chs-c65-15688 (legacy record id), chs-m10564 (legacy record id), USC-2-1-1-10712 (legacy record id), 84-1-967 (microfiche number), USC (project)

IIIF ID [Document.IIIFV3ID]

DM Record ID 15688

Unique identifier UC143311

Legacy Identifier CHS-42383.tiff

Type Image

Internet Media Type image/tiff

Resolution 16.7 in × 20.8 in at 300dpi
42.5 cm × 52.9 cm at 300dpi

Inherited Values

Title Los Angeles Area Chamber of Commerce Collection 1890-1960

Description The more than 3,600 unique photographs of this collection document the Chamber's promotional efforts during the city's early years. In addition to stock photographs, there are pictures of the elaborate booths and displays that the Chamber prepared for use at state fairs and international trade shows. The photographic collection contains images showing the growth of important municipal enterprises, such as ground transportation systems, aviation, and shipping. In addition there are about 1,000 lantern slides in this collection -- not yet fully digitized.

Date Created 1860/1960

Linked assets

Los Angeles Area Chamber of Commerce Collection 1890-1960

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