ARISTO-Werke Dennert & Pape, Hamburg / Germany    (1967)
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                                             VERSION (B)

S C A L E S   of the   ARISTO  » SCHOLAR «    Model 0903
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Front Side    [ inverse / RED ]                Back Side
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                                  ( 0 ...  25 cm Ruler )
L        lgX
K        X3
A        X2
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B        X2
[CI]     [1/X]
C        X
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D        X
S        sin(0.1X); [cos(0.1X)]
ST       arc(0.01X)
T        tan(0.1X); [cot(0.1X)]
                                     ( 0 ...  8" Ruler )

REMARKS:        There are 3 Model 0903 in the Collection
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Older Version (A)                        NOT SHOWN
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Production Code = G5810 = Geretsried, 1958, Lot 10
distributed by  FEINMESSINSTITUT KLAWUN,  Hannover

Scales as Vers.(B), BUT no red [cos] & [cot] marks
SR came in a gray cardboard case

Version (B)                                  SHOWN
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Production Code = 3FL58 = Geretsried, 1967, Lot 58
SR came in a beige/red hard-cover plastic case

Newer Version (B)                        NOT SHOWN
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Production Code = 3LO39 = Geretsried, 1975, Lot 39
SR came in a beige/red hard-cover plastic case

(1) SCALES on the SLIDER have changed:
               B, [BI], [CI], C
(2) One-sided only: SORRY,
    NO  cm- & inch-RULERS  are on the back side!

                 Historical Remarks ...
impressum:
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© C.HAMANN  http://public.BHT-Berlin.de/hamann  05/12/14