Rubber sponge, "Racial" brand, designed by Marie Stopes, for use at Mothers' Clinic, improved grease resisting form as used by Construction Birth Control Committee, 1931 "Racial" brand birth control sponge Obstetrics, Gynaecology & Contraception 1931
Photograph of Baird’s Television Limited's van at the Derby on Epsom racecourse Photographs 1931-06-02
Stone slab with seven holes for cosmetic ointments, Egypt, 1991-1786 BCE Classical & Medieval Medicine 1991-1786 BCE
Supermarine Rolls Royce Seaplane, S.6.B. S.1595 (with dummy engine). Winner of the Schneider Trophy, 1931. Supermarine Seaplane, S.6.B. S.1595 Aeronautics 1931
Square pavement brick from Babylonia (Southern Iraq), 2nd millennium BC. Building Construction 2000-1001 BCE
Model of an Assyrian kelek or raft of inflated ox-hides, one of three models of Babylonian vessels of skin Water Transport 700 BCE; 1931
Francke and Heidecke. TLR Xenar 75mm f/3.5 No 6561307 taking lens, Heidomat viewing lens. Prontormat-s shutter. Automatic exposure option. No 25054406. Rollei Magic Camera Photographic Technology 1931
Platelayer's trolley, London & North Eastern Railway/British Railways, petrol driven, made by Wickham, permanent-way inspection trolley, No 960209, 1931. Wickham platelayers trolley Locomotives and Rolling Stock 1931
Copy of clay liver used for divination, original from Babylon, 2050-1750 BCE Classical & Medieval Medicine 2050-1750 BCE
Muffin dish cover, ceramic, by Alfred Meakin, London & North Eastern Railway, White with border of pink and green roses, LNER "Keswick" design (English). Ceramic muffin dish cover, London & North Eastern Railway Passenger Comforts 1931
Black and white photographic print showing second model of cyclotron built by Ernest Orlando Lawrence and Milton Stanley Livingston Nuclear Physics 1931
