PICKETT, Alhambra, California / USA (1972) *************************************************************** S C A L E S of the » ALL METAL TRIG « Model N1010-ES =============================================================== Front Side [ inverse / RED ] Back Side =============================================================== K X3 L lgX A X2 DF πX --------------------------------------------------------------- B X2 CF πX ST arc(0.01X) [CIF] [1/πX] T tan(0.1X) ; [cot(0.1X)] S sin(0.1X) ; [cos(0.1X)] [CI] [1/X] C X C X --------------------------------------------------------------- D X D X [DI] [1/X] [DI] [1/X] REMARKS: =============================================================== This model N1010-ES is a follower of the PICKETT & ECKEL 1000 It is made of aluminum. The typical "Pickett-Yellow" has an "-ES"-Extension in the model-number, means "Eye-Saver". White ones have a "-T"-Extension, stands for "Traditional". The slide rule came in an artificial leather case. A Model N1010-T in the collection ... =============================================================== ... came with a brown leather case, which can be clipped on the user's belt. It has a D I F F E R E N T SCALE DESIGN: (1st) Its scale design is unballanced: On the back side the L-Scale is set as a third scale under the D- & DI-Scales; On top DF is the only scale. (2nd) The Invers-Scales are black ( NOT RED !) Historical Remarks ... impressum: *************************************************************** © C.HAMANN http://public.BHT-Berlin.de/hamann 03/09/15 |