Accession No

1355

Brief Description

electrometer, Peltier, Spencer, 1850-1900 (c)

Origin

Dublin; Ireland

Maker

Spencer

Class

electrical

Earliest Date

1850

Latest Date

1900

Inscription Date

Material

wood; metal (brass); glass; paper

Dimensions

height 253mm; breadth 149mm; depth 140mm

Special Collection

Provenance

Transferred from the Cavendish Laboratory, University of Cambridge.

Inscription

‘Spencer Dublin’ (on dial)
‘R 13’ (on base (added))

Description Notes

Rectangular wooden base; three brass levelling feet; central brass post and fixed horizontal brass rod mounted on insulating glass tube; horizontal wire pointer with attached magnet pivoted on central vertical needle; hand-lettered paper divided circle on base; scale, 0 to 90-degree quadrants; cylindrical glass cover with brass ring at top; hand-lettered paper dial around bottom circumference of glass cover; scale, 2-degree divisions.

Condition: fair (top glass broken, inslating glass support broken, pointer bent); incomplete (top charging plate missing).

References

Events