FREDERICK POST CO., Chicago, Illinois / USA           (1970)
************************************************************

S C A L E S  of  the   P O S T   » MANNHEIM «    Model 1452P
============================================================
Front Side         [ inverse / RED ]               Back Side
============================================================

( 0 ...  10" Ruler )
------------------------------------------------------------
A       X2
------------------------------------------------------------
B       X2                     S       sin(0.1X); sin(0.01X)
[CI]    [1/X]                  L       lgX
C       X                      T       tan(0.1X)
------------------------------------------------------------
D       X
K       X3
------------------------------------------------------------
( 0 ...  25 cm Ruler )

R E M A R K S :                   (  1° = 60' ;   1' = 60" )
============================================================
The  TRIGONOMETRIC  SCALES  are  in  MINUTES(') & SECONDS(")

S keyed to A/B ;  T keyed to C/D

This slide rule is made of white plastic.  Its back side has
conversion tables and constants - given as fractions. Screws
on the back side allow adjustment of the sliding friction.
It came in a black cardboard case with an instruction sheet.

                   Historical Remarks ...
impressum:
************************************************************
© C.HAMANN    http://public.BHT-Berlin.de/hamann    04/02/10