Copy letter from Robert William Frederick Harrison, to Messrs Harrison & Sons 'Please prepare electros of the four cuts illustrating Dr W N [William Napier] Shaw's paper on the "General Circulation of the Atmosphere in Middle and Higher Altitudes", Proceedings [of the Royal Society], Vol 74, No 22-23; and send them with your account to: A J Herbertson, Editor of the "Geographical Teachers", Old Ashmolean Building, Oxford'. 25 April 1907