EUGEN DIETZGEN CO., Chicago, Illinois / USA (1955) *************************************************************** Made in Japan SCALES of the D I E T Z G E N » MANIPHASE « Model 1768-P =============================================================== ( one-sided only ) K X3 S sin(0.01X); sin(0.1X) A X2 --------------------------------------------------------------- B X2 CI 1/X C X --------------------------------------------------------------- D X T tan(0.1X) L lgX R E M A R K S : ( 1° = 60' ; 1' = 60" ) =============================================================== The TRIGONOMETRIC SCALES are divided in MINUTES & SECONDS S keyed to A ; T keyed to D The SR came with an INSTRUCTION MANUAL of 16 pages. Historical Remarks ... impressum: *************************************************************** © C.HAMANN http://public.BHT-Berlin.de/hamann 07/13/12 |