41758709079784_page_11

41758709079784 | page 11 | https://thedailydialectics.com/pdfs/FIOA/41758709079784/41758709079784.pdf

foe ' revolution of the "minute" hand, just as in.a clock. , At-the-elese-of- 6 period pr Ramee ae wow 9° tend amd “porendl . those—of—you-w! ~examine- the -device-may~tto sc. Bd Th 1917, in casting about for a field cipher device for use on the Western front, our British allies resifcitated…