Copy letter from Francis Towle, Assistant Secretary, to Mrs. [Louisia Charlotte] Tyndall, Hindhead House, Haslemere, Surrey Informing Mrs. Tyndall that President and Council had appointed Dr. W. Hancock as a Tyndall Research Student, in conjunction with Professor K.N. Moss, on research into the effects of heat on the physiology of the mine-worker. 18 February 1927