Ephemeris of the Sun and Polaris and Tables of Azimuths and Altitudes of Polaris, For the Year 1941.
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| Format: | Government Document eBook |
| Language: | English |
| Published: |
[Washington] :
[s.n.],
1940.
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| Online Access: | Electronic resource (PDF) |
| Physical Description: | 1 online resource (15 pages), digital, PDF file |
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