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.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

Hickok TV7 Military Tube Tester for Radio & Audio Tubes

Hickok TV7 Military Tube Tester for Testing Radio & Audio Tubes

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

Tubular Audiotron Tubes for Radios from 1915

Tubular Audiotron Tubes by Cunningham & Moorhead

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 KS-15560-L1 Tube Tester

Western Electric KS-15560-L1 Tube Tester

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

XRay Coil Standard XRay

XRay Coil Standard XRay

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Copyright 2003-2004 Howard Stone PhD.
stonevintageradio@gmail.com