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Electromagnetic machine

1850

Electromagnetic machine in rectangular wooden case

1890-1910

Induction coil and smee cell

1850-1860

Electromagnetic machine

1890-1900

Electrode for Grigg's magnetoelectric machine

Grigg's electromagnetic therapy machine

1886-1900

Electromagnetic machine

1900-1920

Grigg's electromagnetic machine mounted in box with room for 2 cells

1880-1890

Electromagnetic machine in oak case incorporating induction coil and dry cell battery

1910-1920

Clarke's-type electromagnetic machine

1854-1860

Electromagnetic machine

1870-1880

Electromagnetic machine

1870-1890

Clarke electromagnetic machine

Electromagnetic machine in rectangular wooden case

1920

Clarke's electromagnetic machine

1834-1860

Electromagnetic machine

1801-1850

Clark's electromagnetic machine in rectangular wooden box

1880-1900

Clarke's electrotherapeutic machine

1835-1845

Grigg's electromagnetic machine in mahogany box

1880-1890

Electromagnetic coil with cables and bolts for suspension

1914-1918

Small electromagnetic machine

1880-1900

Electromagnetic machine

1880-1890

Grigg's electromagnetic machine

1880-1890

Grigg's electromagnetic machine

1880-1890

Electromagnetic machine containing 2 dry batteries and a small induction coil

1920

Halse's electro-galvanic machine

1840-1870

Box containing Grigg's late 19th century electromagnetic therapy machine

1873-1900

Electromagnetic machine in wooden box

1890-1900

Clarke's electromagnetic machine, horse-shoe on 3 balls, with pulley-wheel and twin bobbin, with 2 sheaphones, probably English, 1850-1860

Clarke's electromagnetic machine

1850-1860

Electromagnetic machine, consists of bobbin-like induction coil, electro-magnet and terminals, 2 electrodes, English, 1840-1880

Electromagnetic machine

1840-1880

Clarke's-type electromagnetic machine in rectangular box with horseshoe magnet, 2 rotating bobbins and pulley wheels, possibly made in U.S.A.(?), 1835-1860

Clarke's-type electromagnetic machine in rectangular box with horseshoe magnet

1835-1860

Electromagnetic machine, manually operated, probably French, 1880-1920

Electromagnetic machine

1880-1920

Electromagnetic machine, upright induction coil and battery, in rectangular wooden case, with trembler and terminals, battery not original, probably German, 1870-1880

Electromagnetic machine

1870-1880

Electromagnetic induction machine, personal relic of Sir Lauder Brunton, mahogany case containing various electrodes and cells, French, 1885-1910

Electromagnetic induction machine

1885-1910

Penny-in-the slot electromagnetic machine, Clarke type mechanism, in glazed brass framed case, probably English, 1850-1900

Penny-in-the slot electromagnetic machine

1850-1900

Clarke's electromagnetic machine, horse-shoe magnet, twin bobbins and pulley system, possibly made in the U.S.A., 1890-1900

Clarke's electromagnetic machine

1890-1900

Clarke's electromagnetic machine in rectangular box, twin horse-shoe magnets, rotating bobbins and indicator dial, English, 1860-1890

Clarke's electromagnetic machine in rectangular box

1860-1890

Clarke's electromagnetic machine, horse-shoe magnet, twin rotating coils and pulley wheel, on marble base, English, 1835-1860

Clarke's electromagnetic machine

1835-1860

Large wooden box containing panel with induction coil and rheostat, and assorted electrodes, possibly English, 1920-1930

Large wooden box containing panel with induction coil and rheostat

1920-1930

Electromagnetic machine in wooden case, containing 2 batteries and induction coil with sliding outer coil, made by K. Schall, 76 New Cavendish Street, London, England, c. 1900.

Electromagnetic machine in wooden case

1895-1905

Electromagnetic machine in rectangular-mahogany case, consisting of 3 cells, induction coil and electro-magnetic, invented and patented by J.R. Chislett, English, 1880-1890

Electromagnetic machine in rectangular-mahogany case

1880-1890

Electromagnetic machine, with cover, wood with metal fittings, European, first half of 19th century

Electromagnetic machine

1801-1850