Accession No
2378
Brief Description
vacuum tube to demonstrate that radiant matter cannot turn a corner, 1875-1900
Origin
Maker
Class
physics
Earliest Date
1875
Latest Date
1900
Inscription Date
Material
glass; metal (white metal)
Dimensions
length 190mm; breadth 140mm; depth 20mm
Special Collection
Provenance
Inscription
Description Notes
Vacuum tube to demonstrate that radiant matter cannot turn a corner. Two cylindrical glass tubes connected to form V-shape. White metal disc terminals at ends with glass around them coloured white. Very short side-arm evacuation tube.
Condition good; complete.
References
Events
Description
Vacuum tubes contain one or a combination of the following: rarefied (thinned) gasses such as neon or argon, conductive liquids or minerals. When an electrical charge is passed through the tube different effects are created.
FM:44899
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