Accession No

1950

Brief Description

four hydrostatic discharge tubes, 19th Century

Origin

Maker

Class

physics; electrical

Earliest Date

1800

Latest Date

1900

Inscription Date

Material

glass; metal (brass, white metal)

Dimensions

1950.1 length 494mm; diameter 29mm; 1950.2 length 284mm; max diameter 21mm; 1950.3 length 322mm; max diameter 28mm; 1950.4 length 229mm; maximum diameter 25mm

Special Collection

Cavendish collection

Provenance

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

Inscription

Description Notes

4 hydrostatic discharge tubes.
1950.1: blue glass tube with brass end caps; a spiral pattern of circular foil dots applied to the inside of the glass.
1950.2: blue glass tube with brass end caps; a glass rod inside to which is applied a spiral pattern of circular foil dots.
1950.3: clear glass tube with brass end caps, one fitted with a screw for mounting on a stand; an irregular pattern of circular foil dots applied to the inside of the glass. Glass cracked on inside.
1950.4: clear glass tube with brass end caps; a spiral pattern of circular foil dots is applied to the outside of the tube.

Condition fair; complete.

References

Events