Copy letter from [George Clarke] Simpson, Director of the Meteorological Office, to [Joseph Ernest] Petavel, Director of the National Physical Laboratory Asks for information regarding the provision of a retiring allowance [pension] of £100 a year for Dr [Charles] Chree, once he retires from the role of Superintendent of Kew Observatory. Thinks that the allowance is chargeable to the N.P.L. [National Physical Laboratory] Pension Fund. Asks if this information is correct. 30 March 1921