| .Abbreviated History Timeline of Early Radio Tubes in the USA |
Click here for an Abbreviated History Timeline of Early Radio Tubes in the USA
| Blue Tubes |
Various brands of blue glass tubes
|  | | Brightson True Blue 6 Tube box |
Brightson True Blue 6 Tube box
|  | | Brightston Tubes in Box |
A box of Brightston tubes ready for a 5 tube TRF.
|  | | Crookes Tube Sled |
Crookes Tube Sled
|  | | Crookes Tube with Maltese Cross |
Crookes Tube with a dropping Maltese Cross
|  | | Cunningham Tubular Audio Tron |
In 1915 Cunningham started producing the Audio Tron.
|  | | D-Lux Blue 201A Box of Five Tubes |
D-Lux Blue 201A Box of Five Tubes
|  | | Deforest Oscillion 250 W Transmitting Tube |
Deforest Oscillion 250 Watt Transmitting Tube
|  | | Deforest Singer Power Tube |
The Deforest Singer Power Tube
|  | | Deforest Spherical Audion |
Deforest Spherical Audion from about 1911
|  | | EVE 173 & CF 185 |
EVE 173 & CF 185
|  | | Fleming Valve |
The Fleming Valve: first commercial use of the Edison Effect.
|  | | Geissler Tubes in a Wood Box |
Box of 24 Geissler tubes from the early 1900s.
|  | | Geissler Tubes, Aux Merveilles des Sciences |
Six Geissler tubes from the Late 1800s.
|  | | Hickok 539C Tube Tester |
Hickok 539C Tube Tester
|  | | Marconi D Radio Valve |
Marconi D Valve
|  | | Moorhead Tubes |
Three Moorhead tubes
|  | | O & T Electric OT1A & OT4 |
Early 1920s tubes from O & T Electric.
|  | | Philip Harris Induction Coil |
The Philip Harris Induction coil is used for lighting up geissler and Crookes tubes.
|  | | R Valve |
R Valve
|  | | Radio & Audio Tubes |
Display of tube mainly from the teens and 20s.
|  | | Radiotron UV 203 Fifty Watt tube |
Radiotron UV 203 Fifty Watt Transmitting tube
|  | | Round Valve |
Round Valves are gas filled, asbestos tipped tubes.
|  | | Schickerling S700 Output Triode Tube |
Schickerling S700 Output Triode Tube
|  | | Spectrum Tubes |
6 Spectrum Tubes
|  | | Uncommon 01A Tubes |
Pictured are a number of not so common 01A tubes.
|  | | Weagant Valve. |
Weagant Valve
|  | | Welsh Peanut Tube |
Welsh Peanut Tube
|  | | Western Electric 101D 101F Tubes |
Western Electric 101D 101f Tubes
|  | | Western Electric 205D Tubes |
Western Electric 205D Tubes
|  | | Western Electric 212D Tube |
Large transmitting tube by Western Electric
|  | | Western Electric 274A Tube |
Western Electric 274A Tube
|  | | Western Electric 300B Tubes |
Western Electric 300B Tubes
|  | | Western Electric Tubes |
Western Electric Tubes VT1, VT2, VT25, VT52, 216A, 101D, 102D, 101F, 104D, 205D, 231D, 300B, 310A 350B
|  | | Westinghouse RCA WR-21 Tubes |
Westinghouse RCA WR-21 Tubes
|  | | White Valve | |  | | X Ray Tube |
Early 20th century x ray tube.
|  | | X-RAY Tubes GE Coolidge, Green & Bauer |
Five X-RAY Tubes by GE Coolidge, Green & Bauer
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