Reference Code: GBR/0180/RGO 7/233
Scope and Contents
Undated ink drawing of Fraunhofer's solar spectrum.General correspondence concerning optics, relating mainly to telescopes, 1884-1894, including two copies of the Admiralty Telescope Contract, 1884; a copy of Patent No. 17994 of 1892: 'Improvements in Compound Object Glasses for Telescopes' by H.D. Taylor; W.J. Watson on increasing the power of a telescope; D.F. Webster on the reflection of the Moon in a mirror; Ralf Sadler on improvements to object glasses; and W.H. Duncan on water...
1884 - 1900
Conditions Governing Access:
From the Management Group:
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