A.W.Faber-Castell, Stein bei Nuernberg / Germany               (1958)
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                                                          VERSION (A)

SCALES of the FABER-CASTELL  » P O C K E T - DISPONENT «  Model 67/22
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Front Side      Scales in [RED] & {GREEN}                   Back Side
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( 0 ...  14 cm Ruler )

(DF)     3.6*X     KZ:     K = Start-Kapital,  Z = Zinsen
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[CF]     [3.6*X]           T = Tage              Shilling (s/£) Pound
{CI}     {1/X}     Val.;  p% = Percent              Conversion Scales
[C]      [X]       E ;     T = Tage                 Penny (d/£) Pound
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(D)      X         V ;     Z = Zinsen

R E M A R K S :                There are 2 Versions in the Collection
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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],{CI},[C],(D).  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

                                   Production Code = 8 58 = Aug. 1958

                        Historical Remarks ...
impressum:
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© C.HAMANN        http://public.BHT-Berlin.de/hamann         08/27/07