EUGEN DIETZGEN CO., Chicago, Illinois / USA (1950) ************************************************************** SCALES of the DIETZGEN P O C K E T » REDIRULE « Model 1776 ============================================================== Front Side Back Side ============================================================== K X3 DF πX A X2 -------------------------------------------------------------- CF πX B X2 CIF 1/πX T tan(0.1X) CI 1/X ST arc(0.01X) C X S sin(0.1X) -------------------------------------------------------------- D X D X L lgX DI 1/X R E M A R K S : ============================================================== The pocket slide rule came in a brown leather case with a clip Historical Remarks ... impressum: ************************************************************** © C.HAMANN http://public.BHT-Berlin.de/hamann 08/09/08 |