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RGO Archives/RGO 37 contains:
<-- See earlier
265 Letter from K.D. Rakosch
266 Letter from C.A. Murray
267 Correspondence of J. Ring
268 Papers on telescopes
269 Letter from K.D. Rakosch
270 Letter from J.W. Gietzen
271 Letter to Plannair Ltd
272 Correspondence with R.F. Griffin
273 Correspondence with E.J. Hysom
274 Correspondence with G.J. Carpenter
275 Letters from H.V. Skan Ltd
See later -->
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Papers of Roderick Redman

Title Letter from J.W. Gietzen
Reference RGO 37/270
Covering Dates 26 Apr. 1974
Extent and Medium 3 pages
Content and context

A letter from J.W. Gietzen, Royal Greenwich Observatory, enclosing a copy of a note by J.D. Pope, 1 April 1974, entitled 'Light losses in telescope Coudé optical trains with particular reference to 3 mirror and 5 mirror systems'.

Further information

Indexed

Index Terms
Pope, John D (b 1929) astronomer
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