Metrotech Model 480 pipe and cable locator

Made:
1980-1989
Metrotech Model 480 pipe and cable locator

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

Metrotech Model 480 pipe and cable locator
Science Museum Group
© The Board of Trustees of the Science Museum

Metrotech Model 480 pipe and cable locator, serial number 81/-17177, by Metrotech Corporation, Mountain View, California, 94043, USA.

Details

Category:
Electricity and Magnetism
Object Number:
1997-767
type:
pipe and cable locators
credit:
AVO Limited

Related Objects

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
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

Electric wet cell (wet bulb battery)
Standard ohm, in nickel case

Standard ohm, in nickel case
aerial loop; type 3.

Aerial loop