Here is a gorgeous British one tube - valve - amplifier from the early 1920's!
It would have been used to increase the output of a crystal radio set to drive a horn loudspeaker. In excellent, original condition, with an impressive Marconi L.S.5 tube with tip and nickel-plated base (tube is for display only - not functional).
For those interested, here are additional views:
Top view
Close up of the Marconi tube, front and back
View item in Tickling the Crystal book 2, author Ian Sanders. We purchased this exact item from the author in 2006.
View underside with wood cover removed
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