Letter from Charles Chree, The National Physical Laboratory, Kew Observatory Department, Richmond, Surrey, to [Joseph] Larmor Informs Larmor that [Robert Cockburn] Mossman has asked [Richard Tetley] Glazebrook about whether the Scottish Antarctic tidal observations can be discussed by the Royal Society and the Hydrographic Office in conjunction with the observations from the Discovery. Chree then provides an update on his work. 15 December 1905