Accession No

2066

Brief Description

X-ray focus tube, 1/4 20th Century

Origin

Maker

Class

physics

Earliest Date

1900

Latest Date

1925

Inscription Date

Material

glass; metal (at least three white metals)

Dimensions

length 345mm; breadth 245mm; height 140mm

Special Collection

Cavendish collection

Provenance

Transferred from Cavendish Laboratory, University of Cambridge, 1974.

Inscription

Description Notes

Glass tube with central spherical chamber, tinged black from gas. White metal rod anode, ending in white metal disc, set in side-arm. Long tube with side arms containing white metal cathode ending in concave disc; one side arm is a long exhaustion tube added to permit exhaustion to specific pressures. Cathode opposed by arm containing connection for the target, which consists of a white metal disc. White metal caps on electrodes to aid electrical connection.

Condition fair; complete.

References

Events