Thompson photographic telescopes, Greenwich, London, 1904-1914.

 
Thompson photographic telescopes, Greenwich, London, 1904-1914.
4 0 c m
 
31cm
actual image size: 23cm x 32cm

Description

Photograph showing the 30 inch photographic reflector and 26 inch refractor mounted together at the Royal Observatory, Greenwich. Both these instruments were presented to the observatory by Sir Henry Thompson, a distinguished surgeon and amateur astronomer. They are carried on an equatorial mounting by Howard Grubb & Sons, Dublin in Ireland. The reflecting telescope used a glass mirror made by Dr A A Common while the refracting instrument uses lenses by the German maker G S Merz of Munich. The telescopes were installed in the New Physics Observatory in 1897 and used for photographic work.

© Science Museum / Science & Society Picture Library

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