Accession No

2064

Brief Description

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

Origin

England

Maker

Cuthbert Andrews [attributed]

Class

physics

Earliest Date

1900

Latest Date

1940

Inscription Date

Material

glass; metal (3 white metals, 1 other); stone (mica)

Dimensions

length 415mm; breadth 200mm; depth 135mm

Special Collection

Cavendish collection

Provenance

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

Inscription

‘Andrews Rapid X Ray Tube.’ (on chamber)
‘No 97115
Made in England’ (on 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. Metal caps at the ends of these two arms are connected by a spiral wire. At the top, the regulator is in a cylindrical glass chamber and has two short metal rods with mica discs at their inner ends.

Condition good; complete

References

Events