unmarked geissler tube with external envelope
unmarked geissler tube with external envelope
- Location
- Currently not on view
- Object Name
- geissler tube
- Other Terms
- Discharge Tube; Electron Tubes
- Measurements
- tube: 19 in x 2 1/2 in x 1 3/4 in; 48.26 cm x 6.35 cm x 4.445 cm
- ID Number
- EM.320442
- catalog number
- 320442
- accession number
- 241402
- Credit Line
- from International Business Machines, Inc., William J. Hammer Collection
- See more items in
- Work and Industry: Electricity
- Data Source
- National Museum of American History
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