Object Details
- Description (Brief)
- A set of five geissler tubes in a brown wooden box tagged "No. 31":
- .01: an axial coil in a four piece tube, with corked fill-hole in external tube.
- .02: in series - green chamber, spiral, green chamber, spiral, green chamber. External tube. Metal tube attached at one end.
- .03: in series - one clear, two green chambers, green horn. External tube.
- .04: in series - green chamber, axial coil, green horn, two green chambers. External tube.
- .05: Description: eight chambers mounted in series - hexagonal configuration. No external tube. General reference: Max Kohl A.G. (Chemnitz, Germany) catalog No. 100, volume III, pages 1009-1010.
- Location
- Currently not on view
- Data Source
- National Museum of American History
- Credit Line
- from University of London King's College, Department of Physics
- Physical Description
- wood (overall material)
- glass (overall material)
- Measurements
- .01: 9 1/2 in x 2 1/4 in; 24.13 cm x 5.715 cm
- .02: 11 1/2 in x 2 1/2 in x 1 1/8 in; 29.21 cm x 6.35 cm x 2.8575 cm
- .03: 8 1/2 in x 2 in x 1 1/4 in; 21.59 cm x 5.08 cm x 3.175 cm
- .04: 11 in x 2 3/4 in x 2 1/2 in; 27.94 cm x 6.985 cm x 6.35 cm
- .05: 14 in x 10 in x 2 in; 35.56 cm x 25.4 cm x 5.08 cm
- box: 4 1/2 in x 23 in x 12 1/2 in; 11.43 cm x 58.42 cm x 31.75 cm
- Object Name
- Electron Tube
- geissler tube
- Other Terms
- Electron Tube; Electron Tubes
