EUGEN DIETZGEN CO., Chicago, Illinois / USA      SN = 130231       (1950)
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S C A L E S   of  the   » POLYMATH MULTIPLEX «                Model N1733
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Front Side                   [ inverse / RED ]                  Back Side
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[LL02]  [exp(-0.1X) .. exp(-X)]       [LL01]  [exp(-0.01X) .. exp(-0.1X)]
[LL03]  [exp(-X) .. exp(-10X)]        K       X3
DF      πX                            A       X2
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CF      πX                            B       X2
[CIF]   [1/πX]                        T1      tan(0.1X); [cot(0.1X)]
L       lgX                           T2      tan(X); [cot(X)]
[CI]    [1/X]                         ST      arc(0.01X)
C       X                             S       sin(0.1X); [cos(0.1X)]
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D       X                             D       X
LL3     exp(X) .. exp(10X)            [DI]    [1/X]
LL2     exp(0.1X) .. exp(X)           LL1     exp(0.01X) .. exp(0.1X)

R E M A R K S :
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This  » DECIMAL TRIG TYPE LOG LOG SLIDE RULE «  is made of  mahogany with
scales on  celluloid veneer.  The sturdy  cardboard case  is covered with
black artificial leather, but the lid is made of real leather.  The style
of this "DIETZGEN" suggests it was manufactured by KEUFFEL & ESSER.  Have
a look at the  "IMPROVED" METAL VERSION ...

                           Historical Remarks ...
impressum:
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© C.HAMANN          http://public.BHT-Berlin.de/hamann           07/17/14