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Cylindrical resistance coil, European, 1900-1910

Cylindrical resistance coil, European, 1900-1910

1900-1910
Two coils

Two coils

1801-1850
Coil on stand

Coil on stand

1880-1920
Large electromagnetic coil, wires wrapped round wood supports, used by G.W. Harris in his experiments on remote stimulation of the pituitary glands of rabbits. See note.

Large electromagnetic coil

1940-1950
Two coils, metal wires round wood frame, European, first half of 19th century

Two coils

1801-1850
Coil, metal wires round wood frame, three-sectioned frame, European, first half 19th century

Coil, metal wires round wood frame

1801-1850
Copper coil, helical, with brass terminals and mounts at either end, probably part of an alternator from a d'Arsonval-type high-frequency electrotherapy apparatus, French, 1890-1920. See note.

Copper coil

1890-1920
Two copper coils, helical, loose, possibly part of alternators, French, 1890-1920

Two copper coils

1890-1920