|Alternative reference number
|Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Secretary of the Aeronautical Research Committee; National Physical Laboratory
|20 April 1925
|Arranges for the Aerodynamics Sub-Committee to use a room at the Royal Society on 5 May. Informs him that a room on 12 May is not available because that is the day before the Soiree.