This item is a complete photocopy of the US Army manual TM-11-296 for the AN/PRC-6 hand-held battery-powered radio transceiver set ("walkie-talkie") as used during the Korean War.  The AN/PRC-6 operated on the 47-55 MHz military band using frequency modulation.  One miniature and twelve subminiature vacuum tubes were employed.

 The manual is dated October 1951 and includes an electrical schematic diagram of the transceiver set.  31 pages + supplement.