Correspondence between University of Oxford, Physical Chemistry Laboratory and Metropolitan-Vickers Electrical Co. Ltd. concerning mass spectrometer type MS 2 serial no. 1
Much of the correspondence, concerning problems with installation and maintenance, is between C.J. Danby, of Oxford University's Physical Chemistry Laboratory, and J. Blears, of the Research Department of Metropolitan-Vickers, Manchester. The file includes five letters from between 1955 and 1959. The actual mass spectrometer (inv. no. 1970-379) was presented to the Science Museum in July 1970 and is in the Experimental Chemistry collection .