Gramophone record, double-sided, 12 inch, 78 rpm, His Master’s Voice, catalogue number C.1329, Ernest Lough and the Choir of the Temple Church, London, ‘Hear My Prayer’ and ‘Oh, for the Wings of a Dove’, made by the Gramophone Co Ltd, British, 1925-1935 1925-1935
Record album containing eight 78 rpm EMI test records for checking the mechanical and audio performance of autochange radio-gramophones, together with five commercial 78 rpm records selected for demonstrating radio-gramophones in salerooms. Made by the Gramophone Company Ltd (EMI), Hayes, Middlesex, British,1930-1940 1930-1940
Gramophone record, double-sided, 10 inch, 78 rpm, His Master’s Voice, catalogue number D.A.1548, Jussi Bjorling, ‘La Donna e Mobile’ and ‘Recondita Armonia’, made by the Gramophone Co Ltd, British, 1925-1935 1930-1940
Notice, Norfolk Railway Byelaws made by the Company pursuant to Act of Parliament, slate, Secretary Richard Tille. Slate notice, Norfolk Railway
Thin sheets of slate(?) coated with photoelectric medium with zigzag scratching. Dated 17/11/16 and 20/7/16. Experimental Photoelectrical Cells
Green slate cosmetic grinding slab in form of two pigeons, Egyptian, 4000-3000 BCE Green slate cosmetic grinding slab in form of two pigeons 4000-3000 BCE
Howlett anemograph by Elliott Bros., 1868 type. Howlett anemograph by Elliott Bros., 1868 type. 1868-1893
Rectangular, shallow slate palette and small palette knife, possibly Egyptian, 3000BC-500 Rectangular, shallow slate palette and small palette knife 3000-500
Fragment of slate knife, possibly used later as amulet, Northwest Coast, 1800-1850 Fragment of slate knife 1800-1850
Switchgear and transformer designed by S. Z. de Ferranti, from the 10kV/2.5kV electricity substation that operated between 1891 and 1933 at Trafalgar Square/Cockspur St., London, supplied from Deptford power station. (Used in partial reconstruction of the substation displayed between about 1957 and 1977.) Switchgear and transformer designed by S. Z. de Ferranti 1891