Copy letter from Robert William Frederick Harrison to Professor H [Hugh] L [Longbourne] Callendar FRS, Chairman, Physics & Chemistry Sectional Committee 'Paper by H C Greenwood MS.c "The specific heats of high temperature of the latent heat of metals" communicated by Dr J A Hawker FRS. The paper is enclosed for your perusal, and Sir Joseph Larmor (Sec RS) suggests that you may be willing to report on it for the Committee. I enclose a form for your used, should you wish to report on the paper. Sir Joseph Larmor remarks that it is "very volumnious".' 10 November 1911