LOGAREX POCKET Ceske Budejovice / Czechoslovakia (1966) *************************************************************** S C A L E S of the L O G A R E X P O C K E T » 27203 « =============================================================== Front Side Back Side =============================================================== ( 0 ... 12.5 cm Ruler ) P sqrt(1 - (0.1X)2) K X3 A X2 --------------------------------------------------------------- B X2 LL1 exp(0.01X) L lgX LL2 exp(0.1X) CI 1/X C X LL3 exp(X) --------------------------------------------------------------- D X S sin(0.1X) T tan(0.1X) --------------------------------------------------------------- ( 1:25 Ruler ) R E M A R K S : =============================================================== This Pocket-SR is made of plastic. It came in a brown leather case with missing cursor. The CURSOR is now home-made out of an OH-Sheet piece, bent over an aluminum kernel. The hairline is made with an »X-ACTO« and colored with a marker ... Historical Remarks ... impressum: *************************************************************** © C.HAMANN http://public.BHT-Berlin.de/hamann 10/03/13 |