Potassium bichromate battery, for a galvanic cautery, 2 multi-plate cells and rubber bulb in rectangular box, made by Charles Chardin, Paris, French, 1880-1890 Potassium bichromate battery 1880-1890
Five intestinal motility records each comprising record, together with 13 associated offprints documenting the motility studies of Dr. Ritchie and the Nuffield Dept. of Clinical Medicine, Oxford, 1961-1973 Five intestinal motility records each comprising record 1969-1970
Fitted box of ampoules of pharmaceuticals for dental use, no.40, by Parke Davis and Co., London, 1920-1940 Fitted box of ampoules of pharmaceuticals for dental use 1920-1940
Single ear defender, the other is missing, made of vulcanite, in tin box with instructions, 1915 pattern, as supplied to the Royal Navy and also used by other British forces during the First World War, made by Mallock-Armstrong, 5 Carteret Street, Westminster, London, England. Ear defenders 1915-1918
"Holophot" photomicroscope with tuiple revolving nosepiece, mechanical stage, 6 objectives, 10 eyepieces and plate camera, without lamp, by W. Watson & Sons Limited, English, 1955-1960 "Holophot" photomicroscope with tuiple revolving nosepiece 1955-1960
Set of scales with brass stand which screws into top of box, steel, beam, glass pans with various weights, Europe, 1801-1900 Set of scales 1801-1900