Accession No

1374

Brief Description

pivoted magnet, vertical pointer galvanometer, 2nd half 19th Century

Origin

Maker

Class

electrical

Earliest Date

1850

Latest Date

1900

Inscription Date

Material

wood; metal (brass, silver, magnet,wire, other); glass; cloth (velvet)

Dimensions

length 124mm; breadth 124mm; height 60mm

Special Collection

Provenance

Inscription

No Inscriptions

Description Notes

Circular wooden base; four brass terminals; groove with velvet cushion for glass cover; two coils, of different wire gauge, wound on rectangular wooden former; bar magnet within coils, pivoted on horizontal axis with perpendicular (vertical) metal pointer; semi-circular vertical silvered dial; scale, 0 to 35 divisions (not degrees) on either side of central zero.
Good condition; incomplete (glass cover missing)

References

Events