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Title: Naval slide rule, boxwood, with scales for tonnage, displace [Go to resource]
Description: Naval slide rule, boxwood, with scales for tonnage, displacement and speed, sliders front and rear, sold by Thomas H. Watson of Newcastle-on-Tyne License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: slide rule (naval) Source: Science Museum Identifier: 1988-289 Go to resource More Like this...
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