


Clarke electromagnetic machine

Electromagnetic machine
1870-1890

Electromagnetic machine
1870-1880

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

Electromagnetic machine in rectangular wooden case
1920

Electromagnetic machine
1890-1900

Electromagnetic machine in rectangular wooden case
1890-1910

Induction coil and smee cell
1850-1860

Electromagnetic machine
1850

Electromagnetic machine
1900-1920

Grigg's electromagnetic therapy machine
1886-1900

Clarke's-type electromagnetic machine
1854-1860

Clarke's electromagnetic machine
1834-1860

Electromagnetic coil with cables and bolts for suspension
1914-1918

Electromagnetic machine
1801-1850

Clarke's electrotherapeutic machine
1835-1845

Grigg's electromagnetic machine in mahogany box
1880-1890

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

Electromagnetic machine in wooden box
1890-1900

Clark's electromagnetic machine in rectangular wooden box
1880-1900

Small electromagnetic machine
1880-1900

Halse's electro-galvanic machine
1840-1870

Box containing Grigg's late 19th century electromagnetic therapy machine
1873-1900
Electromagnetic machine
1870-1880
Clarke's-type electromagnetic machine in rectangular box with horseshoe magnet
1835-1860
Electromagnetic machine
1840-1880
Electromagnetic induction machine
1885-1910
Clarke's electromagnetic machine
1850-1860
Electromagnetic machine
1880-1920
Penny-in-the slot electromagnetic machine
1850-1900
Large wooden box containing panel with induction coil and rheostat
1920-1930
Electromagnetic machine in rectangular-mahogany case
1880-1890
Clarke's electromagnetic machine
1890-1900
Electromagnetic machine
1801-1850
Clarke's electromagnetic machine in rectangular box
1860-1890
Clarke's electromagnetic machine
1835-1860
Electromagnetic machine in wooden case
1895-1905