ASTRONOMY/GREENWICH 1911
GREENWICH OBSERVATORY The Astronomer Royal, Mr Frank Dyson, taking a reading with an altazimuth (a theodolite for determining the altitudes and azimuths of the heavens)
Picture No
10038201
Media ID
47213339
Size
2770px x 3739px
(1.2MB)
Credit
© Illustrated London News Ltd/Mary Evans
Source
Illustrated London News 18 February 1911
Date
1911
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Altazimuth Altitudes Astronomer Determining Dyson Greenwich Heavens Observatories Observatory Theodolite
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