PICKETT, Alhambra, California / USA (1972)
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S C A L E S of the W O O D E N T E A C H I N G SLIDE RULE
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Front Side 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 DI 1/X
L lgX
REMARKS:
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The teaching slide rule »N1010-ES« was made of bad composite wood
(*) !! During a demonstration, the SLIDER broke in the middle ...
... Repair: GLUED with a supporting piece of SheetMetal
Historical Remarks ...
impressum:
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© C.HAMANN http://public.BHT-Berlin.de/hamann 07/20/23
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