Accession No

1360

Brief Description

Barlow’s wheel, by E. Ducretet et Compagnie, French, 2nd half 19th Century

Origin

France; Paris

Maker

E. Ducretet et Compagnie

Class

electrical; demonstration

Earliest Date

1850

Latest Date

1900

Inscription Date

Material

wood; metal; brass; ivorine; steel; copper; ebonite

Dimensions

height 295mm; breadth 226mm; depth 154mm

Special Collection

Provenance

Gift from the Royal Institution. Previously owned by Warren de la Rue (see also Wh. 1325 and Wh.1347)

Inscription

‘E. DUCRETET
& CIE
A PARIS’ (base)
‘Warren de la Rue Esq
F.R.S.’ (ivorine plate on base)

Description Notes

Rectangular wooden base. U-shaped magnet supported by brass bracket; thin copper disc pivoted on horizontal axle between poles of magnet; ebonite bar under disc with trough for mercury, supported on brass post. Two brass terminals on base, one connected to mercury trough, the other to the magnet ad copper disc.

Condition fair (copper disc not flat); complete

References

Events