Davis magneto-electric machine from later 19th century, hand-cranked, English or American make, 1854-1890 Magneto-electric machine
Davis and Kidder's magneto-electrotherapy machine, hand-cranked, made by W H Burnap of Lowell, Mass., U.S.A., 1854-1898 Magneto-electrotherapy machine
Magneto electric therapy apparatus, hand cranked, by Maw and Thompson, of London, 1870-1905 Magneto electric therapy apparatus
Late 19th century Davis magneto-electric therapy apparatus, hand-cranked, by Burnap of Lowell, Massachusetts Late 19th century Davis magneto-electric therapy apparatus
Late 19th century upright Davis magneto-electric therapy machine, hand-cranked Late 19th century upright Davis magneto-electric therapy machine
Late 19th century magneto-electric therapy apparatus, hand-cranked Late 19th century magneto-electric therapy apparatus
Davis' mid C19 magneto-electric therapy machine, handcranked, by Burnap of Lowell, Mass., supplied by Mathews, London, U.S.A., 1860-1880 Davis' mid C19 magneto-electric therapy machine
Magneto-electric therapy machine, hand-cranked, English, after Davis 1854 Magneto-electric therapy machine
Davis magneto-electric therapy apparatus, hand-cranked, late 19th century Davis magneto-electric therapy apparatus