Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [Heike] Kamerlingh Onnes, FRS Informs Professor [Heike] Kamerlingh Onnes that his and L. C. Jackson's paper, 'Investigations on the paramagnetic sulphates at low temperatures', is down for reading on February 8th. Asks if this is convenient for them or if they would prefer to postpone it to a later date. 23 January 1923