Two natural lodestones with pole pieces and keepers

Made:
1760

Two natural lodestones with pole pieces and keepers (see 2 stroke numbers)

Details

Category:
Electricity and Magnetism
Object Number:
1876-37
type:
lodestone
credit:
Bennet Woodcroft Bequest

Parts

Natural lodestone with pole pieces and keeper

Natural lodestone with pole pieces and keeper

Natural lodestone with pole pieces and keeper

Object Number:
1876-37/1
type:
lodestone
Image ©
The Board of Trustees of the Science Museum
Natural lodestone with pole pieces and keeper

Natural lodestone with pole pieces and keeper

Natural lodestone with pole pieces and keeper

Object Number:
1876-37/2
type:
lodestone
Image ©
The Board of Trustees of the Science Museum

Related Objects

Crookes' electrical radiometer

Vertical cylinder electrostatic machine and components
Miscellaneous items from the Wellcome collection as follows:- (a) Electric egg without stopcock or base; electrodes fitted with sockets (possibly for use as an arc lamp); (b) part of an astatic galvanometer (consists of base, coils, and support for suspended system; wanting astatic needles, suspension fibre, and glass cover); (c) electrical apparatus of unknown purpose; (d) part of an electrostatic chime of bells, by Negretti & Zambra (consists of base, six bells, one broken bell; wanting one bell, insulating column, and metal star); (e) Tube of bottle green glass, used by Faraday, in his experiments on polarised light; (f) lamp housing on heavy cast base; (g) glass lampshade; (h) optical apparatus, probably a form of darkened wedge photometer; (j) pair of solenoids (k) pair of battery or electrolysis jars; (l) electrical testing equipment in case

Miscellaneous items from the Wellcome collection
Frequency and time measuring equipment type TSA3436/2 serial no. M3790 and 15Mc/s converter, by Venner Electronics Ltd., New Malden, Surrey, England, with 6-digit readout using optical projection modules and ranges from 15c/s - 1.1Mc/s in frequency mode

Frequency and time measuring equipment type TSA3436/2 serial no. M3790 and 15Mc/s converter
Two pieces of the superconducting cable, made at the Central Electricity Research Laboratories, between 1969 and 1976

Two pieces of the superconducting cable
Wimshurst machine, believed to have been made by James Wimshurst

Wimshurst machine