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Title: Roller bearing bushed sheave, 7" diameter; for pulley block [Go to resource]
Description: Roller bearing bushed sheave, 7" diameter; for pulley block (Garnett and Co's patent 1787) License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: roller bearing Temporal: 1787 Date of patent Source: Science Museum Creator: Garnett & Co. Identifier: 1864-15 Go to resource More Like this...
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