41753169079241_page_154

41753169079241 | page 154 | https://thedailydialectics.com/pdfs/FIOA/41753169079241/41753169079241.pdf

G HAND SYSTEMS 1, INTRODUCTION. 1, A great deal of intercepted traffic is of the so-called hand system type. This label covers a wide variety of systems but pri-~ marily describes those in which the encoding process involves a large amount of hand labor by the cipher clerk, Included are:…