Accession No

1943

Brief Description

nine discharging tools, 19th Century

Origin

Maker

Class

electrical

Earliest Date

1800

Latest Date

1900

Inscription Date

Material

metal (brass, white metal, copper); wood (ebony and at least one other); organic (hair); cloth (linen gauze, silk)

Dimensions

1943.1 length 174mm; maximum diameter 24mm 1943.2 length 168mm; maximum diameter 44mm 1943.3 length 156mm; maximum diameter 63mm 1943.4 length 164mm; maximum diameter 65mm 1943.5 length 249mm; maximum diameter 43mm 1943.6 length 195mm; maximum diameter 22mm 1943.7 length 179mm; maximum diameter 50mm 1943.8 length 444mm; breadth 275mm 1943.9 length 270mm; maximum diameter 30mm

Special Collection

Cavendish collection

Provenance

Transferred from the Cavendish Laboratory, University of Cambridge, in 1974.

Inscription

Description Notes

1943.1-1943.4: four discharging tools consisting of concave copper discs set on wooden handles.
1943.5-1943.7: three discharging tools consisting of brass spheres set on wooden handles (1943.7 has ebony handle); 1943.5 and 1943.6 have copper wire atttached to the sphere and wrapped round handle. 1943.6 has incomplete sphere.
1943.8: conical linen gauze net stitched to wire frame; wooden handle; two silk threads connected to apex of cone, one complete with finger loop for pulling net inside-out.
1943.9: discharging tool consisting of brass handle surmounted by brass sphere with hair plume.

Condition fair (brass very tarnished); complete.

References

Events