Accession No

2049

Brief Description

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

Origin

Germany

Maker

Müller

Class

physics

Earliest Date

1900

Latest Date

1925

Inscription Date

Material

glass; metal (copper, at least three white metals); stone (mica); rubber; paper

Dimensions

length 370mm; breadth 145mm; height 200mm

Special Collection

Cavendish collection

Provenance

Transferred from Cavendish Laboratory, University of Cambridge, 1974.

Inscription

‘Original Müller Röntgenröhre
NO 80332
Made in Germany’ (etched into glass of main chamber)
‘X Ray “Focus” Tube
SOLD BY
NEWTON & CO.,
3, FLEET STREET, LONDON.’ (paper label on cathode tube)

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 for evacuation. 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 tube with mica regulator, consisting of several sheets of mica attached to one of the electrodes. White metal caps on electrodes to aid electrical connection; spiral wire connects anode and target, another wire connects cathode and regulator (detached from cathode end). Attached Cavendish label reads ‘7 Series 12 in Muller’s Catalogue see also Pg 24 in M’s Catlgue. Regulator is of single type, suitable for light work.’

Condition good; complete.

References

Events