• Manufacturer : Bethlehem Radio Corporation, Pennsylvania - U.S.A.
  • Type : crystal radio receiver WORLD
  • Manufactored : 1920's ( this receiver has been dated inside on March 8th, 1929)
  • Frequency range : MW 
  • Device : crystal receiver using early galena ( PbS ) crystal semi-opened type
  • Operating estimation (1-10) :  8
  • Global estimation (1-10) : 9
  • Specials : needs long wire antenna ( 40 ft long ) and appropriate good ground
        - good selectivity
        - recommendable headphones impedance is 2x 2000 ohms or better 2x 4000 ohms

        - the front of radio says : "WORLD" and leads : "GROUND", "ANTENNA" and two

          leads "PHONE"
 
        - case and dial lever were made from chrome coated tin

        - receiver has removable glass shield
  • Note : this type of crystal receiver was used in the middle of the 1920's

        - wanted old time sample looks nice!

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