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Title: Japanese calculator of the circular slide-rule type, relatin [Go to resource]
Description: Japanese calculator of the circular slide-rule type, relating to aerial torpedoes ( Japanese War Relic) License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: circular slide rule (military) Source: Science Museum Identifier: 1947-65 Go to resource More Like this...
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