


Oval dynamometer with central scale with indicator
1840-1880

Siemens Brothers Dynamometer
circa 1898

Two hand dynamometers mounted on board

Dynamometer, Chicago, United States, 1945-1955
1945-1955

Finger dynamometer by C.F. Palmer Ltd.

Dynamometer, France, 1890-1910
1890-1910

Siemens electro-dynamometer, c.1882
1882

Siemen's Electro-dynamometer

Siemens dynamometer
1900

Sumpner's patent electro-dynamometer, no.37
1910-1919

Original Froude screw dynamometer

Large standard electrodynamometer
1888

Model of Ayrton and Perry's dynamometer coupling.
circa 1890

Finger dynamometer by C.F. Palmer Ltd.

Draught recording dynamometer by Richard Clyburns

Energograph' dynamometer marked 'DRP'
1920-1950
Draught dynamometer by Cottam and Hallen, with case
Aviation dynamometer, imput 28V DC output 230V DC
1940-1960
Dynamometer, made by Elliott
Froude hydraulic dynamometer, type D.P.X.O.
1968
Dynamometer Instruments, Great Western Railway
Draught recording dynamometer and case
Dynamometer type 3206 serial no.164233 by H. Tinsley and Co. Ltd.
1965