|Alternative reference number
|Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; [to Messrs. Harrison and Sons]
|22 April 1926
|Asks for the block corresponding to figure 10 from the paper by Mr. R. W. Fenning in Transactions Vol. A.225. ['VIII. Gaseous combustion at medium pressures. Part I. —Carbon monoxide air explosions in a closed vessel. Part II. —Methane-air explosions in a closed vessel.'] to be loaned to the Secretary of the Faraday Society.