


Rheostat, G.P.O., 956

Lissen wire-wound rheostat c.1927
1927

Wire rheostat, 50 ohm 6 amp by Robert W. Paul
1900-1919

Rheostat, Kelvin Pattern
1888

Campbell's constant inductive rheostat
1926-1930

Rheostat

Rheostat by Harvey & Peak
1883-1909

Rheostat labelled as:- "No.3 rheostat given by Faraday to Sir C. Wheatstone"

40 K carbon rheostat with skirted knob

Early filament rheostat, by F.L. Mitchell & Co.

Jervis square pattern rheostat

Wire wound rheostat using two grades of wire

Igranic Pacent 10 ohm 1 Amp. rheostat with carton

Rheostat with ten turns of thick wire

Plante's rheostat

Rheostat for arc lamp

Rheostat, by Newton & Co., 3, Fleet St., London

Varley carbon cloth rheostat

Wire wound rheostat with vernier device

Carbon plate rheostat

Rheostat by R.W. Paul
1893-1901

Constant inductance rheostat

Wheatstone No. 1 original rheostat, 1843
1843
Rheostat for Arc Lamp
Wheatstone type rheostat, c.1880-1890
1880-1890
Carbon plate rheostat by R.W. Paul, London
1893-1920
Kelvin type rheostat in glass fronted wooden case
Rheostat by Birch
1950-1980
Varley's carbonised cloth rheostat by Townson & Mercer
1890-1939