Reiss 3201 Vintage Rietz Spezial 25 cm Slide Rule Version (A)

This slide rule was Made in Bad Liebenwerda, GDR East Germany (1970).     
It is made of brushed aluminum with a plastic slider.     
SCALES of the REISS Model 3201  RIETZ - SPEZIAL  
  Front Side                            Back Side     
====================================================     
 L          lgX                       ST        arc(0.1X)     
 DF        πX                        T         tan(0.1X)     
----------------------------------------------------     
 CF        πX                        K         X3
 CIF       1/πX                     B         X2
 C          X                         C         X
----------------------------------------------------
 D          X                         S         sin(0.1X)
 DI         1/X                      P         sqrt(1 - (0.1X)2)
====================================================
R E M A R K S : (  1deg = 60' ;   1' = 60" )
The TRIGONOMETRIC SCALES  are divided in  MINUTES(') & SECONDS(")
This beautiful aluminum model came with a "MANTISSA-Type" cursor.
The slide rule is in MINT condition - Actual pictures of slide rule.
Includes a nice green plastic carrying case with No tears or cracks.
Price $145.00