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Description

"How to Amplify String Instruments". Plans for a pickup coil for stringed instruments. Details on making a experimental pick up coil and hooking it up to a detector tube. Also info on using a small crystal microphone to amplify a stringed or wind instrument.
 
This is an original 1+ page magazine article from 1936.
Pages measure 6 1/2” x 9”
We do not photocopy these.
 
Article Includes
  • Schematic Drawings and Photos
  • Instructions

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