41774259081336_page_5

41774259081336 | page 5 | https://thedailydialectics.com/pdfs/FIOA/41774259081336/41774259081336.pdf

SECTION A. U, 8, COMMUNICATION SECURITY EQUIPMENTS PART I, LITERAL CIPHER MACHINES 41. Machines Requiring No External Source of Power a. AFSAM Di7 A small keyboard-operated, tape~printing literal cipher machine designed for use where electrical power is not available. Operates pneumatically at…