Accession No

2096

Brief Description

vacuum tube, 1985-1925

Origin

Maker

Class

physics

Earliest Date

1875

Latest Date

1925

Inscription Date

Material

glass; metal (white metal); wax (sealing wax); paper

Dimensions

length 255mm; breadth 23mm; maximum diameter 17mm

Special Collection

Provenance

Donated by widow of C.M. Sleeman, 1975. formerly property of C.M. Sleeman (1883 - 197(3)?). NST 1st class at Christ’s College. Taught physics to medical students at Cavendish lab. Fellow of Queens’ from 1912.

Inscription

Description Notes

Plucker-type vacuum tube. Elongated bulbs joined by short straight tube. White metal terminals. Short side arm near one end, stopped with sealing wax. Paper label marked ‘H’ (for hydrogen).

Condition good; complete.

References

Events