Accession No

2371


Brief Description

Crooke’s type iridio-platinum tube, 4/4 19th C


Origin


Maker


Class

physics


Earliest Date

1875


Latest Date

1900


Inscription Date


Material

glass; metal (white metal)


Dimensions

length 199mm; breadth 45mm; depth 37mm


Special Collection


Provenance


Inscription


Description Notes

Glass vacuum tube with swan’s neck evacuation tube. White metal terminals, one with concave disc, the other with flat disc. Small piece of white metal sheet acts as target.

Condition good; complete.


References


Events


FM:45013

Images (Click to view full size):