Telescope and scale, by Ruhmkorff, of Paris

Made:
1840-1877 in Paris
Telescope and scale, by Ruhmkorff, of Paris

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

License this image for commercial use at Science and Society Picture Library

License

Science Museum Group
© The Board of Trustees of the Science Museum

Telescope and scale, by Ruhmkorff, of Paris

Details

Category:
Electricity and Magnetism
Object Number:
1936-184
type:
telescope - reading
credit:
The Most Hon. the Marquess of Salisbury

Related Objects

moving coil galvanometer, Ferranti Ltd, England, 1940

moving coil galvanometer
Gramme ring electric motor, used at Rowntrees, York, to drive a fan.1/2H.P, 230 Volts D.C, and probably made in 1985. Has a long driving shaft, fits through bridge support for the two circular magnet coils. Gramme ring armmature beyond, with contacts at far end. fitted with carbon brushes. Grease lubrication by screwdown caps. Painted black. Manufacturer unknown

gramme ring motor
Test set, 74020-C. Portable HF injection test set for fault location on cables.

test set
Oscilloscope type 561A serial no.100506 by Tektronix Guernsey Ltd., CI.

Oscilloscope type 561A serial no.100506 by Tektronix Guernsey Ltd.
moving coil galvanometer made by Elliott Bros Ltd, in England, United Kingdom, 1928

moving coil galvanometer made by Elliott Bros Ltd
Crookes' tube by which an image of the cathode is produced on the glass

Crookes' tube by which an image of the cathode is produced on the glass