Steam locomotive, No C1, Q1 Class, 0-6-0, Southern Railway, designed by O V Bulleid, built at Brighton in 1942, withdrawn in 1964. Weight: 51.25 tons; length 54 feet, 10 ½ inches; driving wheel diameter: 5 feet, 1 inch Southern Railway 0-6-0 Q1 class steam locomotive, No C1 Locomotives and Rolling Stock 1942
End plate assembly for a battery of mercury delay tubes from EDSAC 1, 1946-1958 Computing & Data Processing 1946-1948
Passive component plate, type A3, for Sargrove sprayed-circuit radio receiver, 1936-1948 Electronic Components 1936-1948
'Tabloid' medicine chest, used for 1938 Mt. Everest expedition Materia Medica & Pharmacology 1937-1938
Model of open oscillator with spherical radiators used by Heinrich Hertz, 1949 Radio Communication 1949
Canvas cover for 'Tabloid' first aid super pocket kit used on US Antarctic expedition Materia Medica & Pharmacology 1939
Ceramic plate depicting Durham Cathedral, London & North Eastern Railway Miscellanea & Curiosities 1938
ESP Test cards, also known as Zener cards, United States, 1937 Psychology, Psychiatry & Anthropometry 1937