PICKETT, Alhambra, California / USA (1972)
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S C A L E S of the » ALL METAL TRIG « Model N1010-ES
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Front Side [ inverse / RED ] Back Side
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K X3 L lgX
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] [DI] [1/X]
REMARKS:
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This model N1010-ES is a follower of the PICKETT & ECKEL 1000
It 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".
The slide rule came in an artificial leather case.
A Model N1010-T in the collection ...
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... came with a brown leather case, which can be clipped on the
user's belt. It has a D I F F E R E N T SCALE DESIGN:
(1st)
Its scale design is unballanced: On the back side the L-Scale
is set as a third scale under the D- & DI-Scales; On top DF
is the only scale.
(2nd)
The Invers-Scales are black ( NOT RED !)
Historical Remarks ...
impressum:
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© C.HAMANN http://public.BHT-Berlin.de/hamann 03/09/15
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