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Title: Turret lock-nut, Conrade Tilston's & Masson's patent 1908, a [Go to resource]
Description: Turret lock-nut, Conrade Tilston's & Masson's patent 1908, and turned bolt, example 1" diam. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1909-119 Go to resource More Like this...
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