Copy letter from Robert William Frederick Harrison, to Alfred J N Goodson, Naval School, Stubbington, Fareham In answer to Goodson's of 15 September, the papers by Mr Claudet and Mr W T Shaw[?] on the stereomonoscope and stereoscope were published in the 'Proceedings of the Royal Society', numbers 27, 31 and 43. These numbers may be purchased from Messrs Harrison & Sons, 45 St Martin's Lane, London, W.C.. 22 September 1903