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Title: Forked balance lever with pin and collar, pin (lacking cotte [Go to resource]
Description: Forked balance lever with pin and collar, pin (lacking cotter), weight stop pin and two wedges to secure weight; also sheet-iron gear guard License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1931-195/4 Go to resource More Like this...
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