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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Alcohol Slide Rules
Unknown / Everard 2-slide Type 1
Unknown
UK
Wood
c1750
30.5 cm
Gauging
Notes:
Such Everard type slide rules were used by UK Customs & Excise officers to perform specialised calculations for tax revenue. It dates from pre 1825 because of Winchester Gallon based units/gauge marks.
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