Magneto-electric machine for nervous diseases, by Maw, Son and Thompson, c.1880 Magneto-electric machine for nervous diseases 1880
Holtz induction electric machine (two glass plates), on oval stand Holtz induction electric machine (two glass plates) 1876
Copy of Werner Siemens first dynamo-electric machine of 1866 Copy of Werner Siemens dynamo-electric machine
Wheatstone's original dynamo electric machine, 1866. With stand. Wheatstone's original dynamo electric machine 1866
Pacinottis ring armature dynamo electric machine about 1864 Pacinottis ring armature dynamo electric machine 1864
Magneto-electric machine, No. 1706A, c.1860, by Siemens Brothers & Company, London. Ornate painted decorations in burgundy and gold, but paint is in poor condition. Magneto-electric machine 1860
Gramme magneto-electric machine made by W. Ladd and Co. Gramme magneto-electric machine made by W. Ladd & Co.
Original Stohrer magneto-electric machine, No. 4458, 1846. Maker's mark engraved on brass ring on top of coils. Original Stohrer magneto-electric machine 1846