Copy letter from Robert William Frederick Harrison, to S E Sheppard Sheppard's paper, 'On the Photographic Process' Part II, has been put down for reading on 30 March. Understands from Sir W Ramsay that Sheppard does not wish to be present at the reading but would be glad of a short abstract at once, to be set up for the use of the Fellows at the meeting. 27 March 1905