Feedback Systems with Periodic Loop Closure: Case 37003; File 36690-2 MM-44-110-32 [Bell Laboratories Technical Memorandum]
Murray Hill, N. J. Bell Telephone Laboratories, Incorporated March 16, 1944. Later printing. One Memorandum group highlighting three different reproduction techniques, all 10 7/8 x 8 3/8 inches. 1) One leaf. Printed "Cover Sheet for Technical Memoranda" form on thin translucent typewriter paper (watermarked "Esleek Superior Manifold"). Names, subject, abstract..... More
