Accession No

2052

Brief Description

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

Origin

Germany

Maker

Class

physics

Earliest Date

1900

Latest Date

1925

Inscription Date

Material

glass; metal (copper, at least three types of white metal); stone (mica); inorganic (carbon)

Dimensions

height 430mm; breadth 210mm; depth 150mm

Special Collection

Cavendish collection

Provenance

Transferred from Cavendish Laboratory, University of Cambridge, 1974.

Inscription

‘Original Müller Röntgenröhre
No 80267
Made in Germany.’ (central chamber)
‘Newton & Co.,
London’ (cathode arm)

Description Notes

Glass tube with central spherical chamber. White metal rod anode in tube. Opposite this is a long tube from sphere containing white metal cathode ending in concave disc. Side arm containing the connection for the target, which consists of an white metal disc at the end of a white metal cylinder. Side arm evacuation tube with carbon-mica regulator. White metal caps on electrodes to aid electrical connection; spiral wire connects anode and target, another wire connects cathode and regulator. Attached label reads ‘No. 10 Series 13 from Muller’s Catalogue has a specially strong + heavy pattern anti-cathode and is designed to dissipate the heat engendered by the discharge. Standard Carbon-Mica regulator giving good control of vacuum.’ Also has a label on cathode tube reading ‘DUD’.

Condition good; complete.

References

Events