| Description | Mostly on the develpoment of a hydrogen liquefaction plant at the Clarendon Laboratory.
Includes correspondence with the Directorate of Compressed Gases, Air Ministry, requesting their materials for Hydrogen Liquefaction and with Sir Edward Appleton, Department of Scientifc and Industrial Research, to facilitate the transfer of materials.
Hydrogen compressors were used by the Directorate of Compressed Gases for barrage balloons during the Second World War.
Also correspondence on Simon's search for suitable Helium and Oxygen compressors and a cost statement for repairs to the Clarendon Laboratory Hydrogen Liquefier, 1953 |