Accession No

2061

Brief Description

X-ray tube, by Cuthbert Andrews, English, 1/2 20th Century

Origin

England

Maker

Cuthbert Andrews

Class

physics

Earliest Date

1915

Latest Date

1940

Inscription Date

Material

glass; metal (copper, at least three white metals); stone (mica); graphite; wood

Dimensions

length 450mm; breadth 180mm; height 320mm

Special Collection

Cavendish collection

Provenance

Transferred from Cavendish Laboratory, University of Cambridge, 09/1974.

Inscription

‘Andrews Rapid X Ray Tube.
‘No 96887
Made in England’ (etched into main chamber)

Description Notes

Spherical glass chamber with three side-arms plus vacuum regulator at top. One arm carries cathode with concave disc at inner end. Metal cap at end of arm. Opposite arm carries rod anode, and third side-arm, set at an angle above the first anode carries target set on the end of a copper rod and cylinder. White metal caps at the ends of these two arms are connected by a spiral wire. Side arm with carbon regulator, which would once have been connected to the target and the cathode.
Contemporary wooden stand.

Condition good; complete

References

Events