41758709079784_page_2

41758709079784 | page 2 | https://thedailydialectics.com/pdfs/FIOA/41758709079784/41758709079784.pdf

. ars . Per ae : . REF ID:A63360 SLIDES FOR THIRD PERIOD BG ACrdey prota PAGE SLIDE NO. TITLE qT 445 Alberti disk v 45.1 Porta v 45.4 U.S. Army disk v7 Cipher disk finally patented + v 48 Wheatstone 8 eg Wheatstone - modified v 49.4 Bazeries Cylindrique 9 v 168 Colonel Hitt ¥ 168.1 Hitt's original…