PICKETT & ECKEL, Chicago, Illinois / USA                 (1959)
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SCALES of the  » P O C K E T  ALL METAL TRIG «   Model N1006-ES
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Front Side                [ inverse / RED ]           Back Side
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K        X3                                 Ln           lnX
A        X2                                 DF           πX
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B        X2                                 CF           πX
ST       arc(0.01X)                         [CIF]        [1/πX]
T        tan(0.1X) ; [cot(0.1X)]
S        sin(0.1X) ; [cos(0.1X)]            [CI]         [1/X]
C        X                                  C            X
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D        X                                  D            X
[DI]     [1/X]                              L            lgX

REMARKS:
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This historic  POCKET  MODEL  is made of aluminum.  The typical
"Pickett-Yellow"  has an "-ES"-Extension  in the  model-number,
means "Eye-Saver". White ones have a "-T"-Extension, stands for
"Traditional".  It came in a  LEATHER CASE  with a CLIP for the
vest pocket and a "PullOut" LEATHER LEVER.

                    Historical Remarks ...
impressum:
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© C.HAMANN     http://public.BHT-Berlin.de/hamann      11/08/12