Zenith Telescope
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Zenith telescope constructed at the International Stations at Berlin by Hermann Wanschaff.
Galleries
Telescopes and BinocularsSource
Encyclopaedia Britannica (11th ed., vol. 11) (New York, NY: The Encyclopaedia Britannica Company, 1910)
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494×1024, 110.2 KiB
308×640, 51.0 KiB
154×320, 15.5 KiB