41748549078781_page_136

41748549078781 | page 136 | https://thedailydialectics.com/pdfs/FIOA/41748549078781/41748549078781.pdf

-CONFIDERE. TD:A56914 HAL —Seeurity-information— -118- all those with which German communication intelligence had to contend. Effectiveness was based on World War I experience in radio procedure and cryptology, in which the British Army learned many a lesson from the Navye The higher-echelon…