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Title: Hoffmann light type, double thrust washer W.S.14 [Go to resource]
Description: Hoffmann light type, double thrust washer W.S.14 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: ball bearing Temporal: 1899-1925 Source: Science Museum Creator: Hoffmann Manufacturing Co. Identifier: 1925-432 Go to resource More Like this...
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