Accession No

1327

Brief Description

moving magnet, reflecting galvanometer, by R. W. Paul, English, 1905-1915 (c)

Origin

England; London; Hatton Garden

Maker

Paul, Robert W.

Class

electrical

Earliest Date

1905

Latest Date

1915

Inscription Date

Material

plastic (ebonite); metal (brass, aluminium); glass; wood; paper

Dimensions

height 334mm; breadth 240mm; depth 232mm

Special Collection

Provenance

Gift from the Royal Institution.

Inscription

‘No. 752
R.W. PAUL, HATTON GARDEN, LONDON.’ (on base)

Description Notes

Rectangular ebonite base; three levelling feet; circular bubble level; four threaded brass terminals; removable rectangular brass case with four glazed walls; two pairs of vertical coils in ebonite boxes on brass support; four horizontal magnets on suspended mirror at centre of upper pair; similar magnet system on aluminium vane at centre of lower; adjustable controlling magnet on vertical rod connected to top of case with rotation mechanism. In wooden box with hinged front and brass carrying handle. Printed label inside box with hand-written specifications.

Condition: good (suspension broken); incomplete (two glass panels missing).

References

Events