FEINMESSINSTITUT JOE KLAWUN, Berlin / Germany                       (1940)
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S C A L E S   of  the   J O E   K L A W U N    ( Merchant )   Model 1001/S
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Front Side    Scales in [RED] & {GREEN}                          Back Side
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( 0 ... 27 cm Ruler )

(DF)     3.6*X     KZ:     K = Start-Kapital,  Z = Zinsen
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[CF]     [3.6*X]           T = Tage                 Shillings/Pennies
{CI}     {1/X}     Val.;  p% = Prozentsatz
[C]      [X]         E ;   T = Tage                 Pounds / lgX
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(D)      X           V ;   Z = Zinsen

( 0 ... 10" Ruler )

R E M A R K S :
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Move the mouse over its cursor to see (Pop-Up)DETAILED PICTURES ...

This Merchant-SR = "Der Rechenstab des Kaufmanns: System KLAWUN" (s.right)
is made of mahagony  with scales on celluloid veneer. On its back side are
instructions how to use this SR.  On its side is engraved: A.N.A.G. - This
SlideRule was made by  ALFRED  N E S T L E R  AG.

The (DF),[CF]-Scales are folded at  3.6 * X  for Days-of-the-Year.

Here the (German-) named scales are marked with their common symbols
in brackets (DF),[CF]  -  The formula & translation:

  Zinsen (in % ) = Z = ( K * p * n )/100 ;   n = Jahre = Tage/360

( Z = Interest; K = Capital; p = Interest Rate; n = Years; T = Days )

  E = Einkaufspreis ( = Wholesale Price )
  V = Verkaufspreis ( = Retail Price )       Val. = Valuta = Currency

                         Historical Remarks ...
impressum:
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© C.HAMANN          http://public.BHT-Berlin.de/hamann            05/28/17