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Title: Excise Officer's slide rule, 1" x 5/8" x 12", with two slide [Go to resource]
Description: Excise Officer's slide rule, 1" x 5/8" x 12", with two sliders on opposite faces, engraved "T.C." on stock under one of the sliders License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: slide rule (excise) Source: Science Museum Identifier: 1962-199 Go to resource More Like this...
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