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Digital Library
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California Historical Society Collection, 1860-1960
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Los Angeles Area Chamber of Commerce Collection 1890-1960
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Drawing by R. W. Porter depicting an interior view of Mount Palomar Observatory showing the 200-inch telescope, looking north, 1938
(USC DC Image)
Drawing by R. W. Porter depicting an interior view of Mount Palomar Observatory showing the 200-inch telescope, looking north, 1938
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Description
Photograph of a drawing by R. W. Porter depicting an interior view of Mount Palomar Observatory showing the 200-inch telescope, looking north, 1938. In the center of the image, the 200-inch telescope points towards the sky while being supported by two large cyndrical beams that attach to form a U-shaped base that is slanted. The telescope is composed of beams connected in various triangular sizes and angles to form an almost perfect cylinder. On the top left of the image, a man stands at the edge of a platform over the telescope. To the right of center, a second man leans over the railing of a walkway. To the bottom right of the picture, a third man stnads at the base of the telescope. In the foreground, a fourth man stands in a balcony of what appears to be a control board for the telescope. Two other men can be seen climbing throughout the telescope.; Photoprint reads: "The 200-inch telescope, looking north. The 140-tone tube rests on declination trunnions carried by the two tubular girders which connect the yoke at the lower polar axis bearing with the large horseshoe at the upper bearing. Area of sky to be photographed will be quite small, say a patch having a dimension from 1/5 to 1/3 that of the full moon. Considered as a camera, the telescope will have a "speed" of f/3.3".
Asset Metadata
Title
Drawing by R. W. Porter depicting an interior view of Mount Palomar Observatory showing the 200-inch telescope, looking north, 1938
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
1938
Type
images
Format
1 photograph : photoprint, b&w ; 26 x 21 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)
Date Created
1938
Creator
Porter, R.W.
(author)
Publisher
University of Southern California. Libraries
(digital)
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-m10561
Identifier
42380 (
accession number
), CHS-42380 (
call number
), CHS-42380 (
filename
), chs-m825 (
legacy collection record id
), chs-c65-15687 (
legacy record id
), chs-m10561 (
legacy record id
), USC-2-1-1-10709 (
legacy record id
), 84-1-970 (
microfiche number
), USC (
project
)
IIIF ID
[Document.IIIFV3ID]
DM Record ID
15687
Unique identifier
UC143314
Legacy Identifier
CHS-42380.tiff
Type
Image
Internet Media Type
image/tiff
Resolution
16.1 in × 21.1 in at 300dpi
41.0 cm × 53.8 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
Conceptually similar
Drawing by R. W. Porter depicting an interior view of Mount Palomar Observatory showing a 48-inch telescope, 1939
Drawing by R. W. Porter depicting an interior view of Mount Palomar Observatory and a cross-sectional view of the 200-inch telescope, with parts labelled, 1938
Drawing by R. W. Porter depicting an interior view of Mount Palomar Observatory and a cross-sectional view of the 200-inch telescope, 1938
Drawing by R.W. Porter showing an astronomer seated at the prime focus of Mount Palomar Observatory's 200-inch telescope, 1940
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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