'Summit' hypodermic syringe, glass and chrome plated metal, in cardboard box, by S. and R. J. Everett and Co. Ltd., 939 London Road, Thornton Heath, Croydon, London, England, 1955-1970. 'Summit' hypodermic syringe 1955-1970
Two pyrolysers, Mark IV, one in a dummy column made for a Pye Argon gas chromatograph to Roland Jones' design by Scientific Glass Specialities Ltd., Thornton Heath, 1962 Two pyrolysers 1962
