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LOGAREX  27403   ( 25 cm Scales )



LOGAREX               Ceske Budejovice / Czechoslovakia  (1966)
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S C A L E S   of  the      L O G A R E X             4542-27403
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Front Side                                            Back Side
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( 0 ...  25 cm Ruler )

K         X3
A         X2
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B         X2                                LL1      exp(0.01X)
CI        1/X                               LL2      exp(0.1X)
C         X                                 LL3      exp(X)
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D         X
P         sqrt(1 - (0.1X)2)
S         sin(0.1X)
T         tan(0.1X)
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L         lgX

R E M A R K S :
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The slide rule is made of plastic.  It came with no case and no
cursor.  The CURSOR is now home-made of aluminum with windows
of PVC from a CD case.  The hairlines are made with a  »X-ACTO«
and colored with a marker.  "MouseOver"  the cursor in the
picture to get a  DETAILED VIEW.

                 Historical Remarks ...
impressum:
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© C.HAMANN  http://public.beuth-hochschule.de/~hamann  04/26/09