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Title: Arbor with wheel, 2 pinions and 2 roller guides for engaging [Go to resource]
Description: Arbor with wheel, 2 pinions and 2 roller guides for engaging rack /8 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1949-256/10 Go to resource More Like this...
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