CONTROLLER - CALCULATOR, Muenchen / Germany (1962) ************************************************************* SCALES of the CIRCULAR SLIDE RULE »CONTROLLER« Model 110 R ============================================================= ( one-sided only ) X outer circle ------------------------------------------------------------- X inner circles 1/X X2 R E M A R K : Same as Model 75 R - only bigger: ============================================================= This circular slide rule came in a blue plastic case with an instruction booklet. On the back side of the CONTROLLER is a conversion table and a table with physical constants printed. impressum: ************************************************************* © C.HAMANN http://public.BHT-Berlin.de/hamann 06/27/07 |