41757009079614_page_13

41757009079614 | page 13 | https://thedailydialectics.com/pdfs/FIOA/41757009079614/41757009079614.pdf

@ FOpRER PS y D. Voice Seourity Systems for Tactical Purposes (1) No eiphony system is likely to be available for general combined use before 1954. (2) There are no possibilities for suitable devices in the interin period. (3) To meet the long term requirements for combined oiphony systems…