previous <<==>> next

CONCISE   (28N)   ( 8 cm Diameter )



The Back Side has a circular Reference Table:




CONCISE, Tokyo / Japan                              (1970)
**********************************************************
                                               VERSION (B)

SCALES of the CIRCULAR SLIDE RULE » CONCISE  Model (28N) «
==========================================================
[ inverse / RED ]
==========================================================

   D       X                              outer circle
----------------------------------------------------------
   C       X                              inner circles
   [CI]    [1/X]
   A       X2
   K       X3

R E M A R K S :     There are 2 Versions in the Collection
==========================================================
On the back side of the slide rule is a circular reference
table with physical data - different design as Version(A).
The SR came in a black soft-plastic case with a booklet.

On the SR is  NO MODEL NO.,  but case and booklet refer to
"Model 28N" and its FRONT SIDE is identical to Version (A)

Have a look at this Older Version

                 Historical Remarks ...
impressum:
**********************************************************
http://public.beuth-hochschule.de/~hamann         07/22/10