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Title: Model of reversing gearing and friction clutches for winding [Go to resource]
Description: Model of reversing gearing and friction clutches for winding from mines patented by J.G. Bodmer in 1843 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: reversing gear and clutch Temporal: c. 1843 Source: Science Museum Creator: Bodmer, John George Identifier: 1857-24 Go to resource More Like this...
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