Limiting Magnitudes and Focal Ratios

1 of 5

Type: Manuscripts(Opens in new tab)
Date: 1940< >1948
Call number: mssHUB 38
Find out more: View in the Huntington Digital Library(Opens in new tab); View in the Library catalog(Opens in new tab)

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Performance Graphs, Focal Ratio Data. 9 items
Manuscripts
The Mount Wilson Observatory Optical Shop Papers comprise 9 boxes of material relating to the operation of the department from 1911 to 1963 (bulk 1930-1947). This material is divided into four general categories: research and procedural notes, correspondence, inventories and requisition slips, and job lists and employee time sheets. Each group is arranged chronologically. Various scientific manuals, brochures, and unidentified notes have been gathered into a folder of ephemera.
mssMtWilson2
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3) Threshold photo-magnitude vs. focal length (1)
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Astronomy graduate student Nicholas Mayall writes to EPH regarding the limiting magnitude numbers found by Mayall and EPH
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mssHUB 808
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The method of final ratios : commonly called the method of limits
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707618
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Focal infection and arthritis
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643430
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Focal Plane Shutter
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29 leaves/pieces.
mssAdamsw