Machine operators

Machine operators from The Engineering Magazine Devoted to Industrial Progress Volume XXII 1901-1902 The Engineering Magazine Co

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IR_industrial-V22_0540.jpg

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PhotoStock-Israel.com

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1753x2239 / 1.1MB

operator operators laborer laborers labourer labourers worker workers power tool machine Engineering Industrial progress technology technological technical manufacturing manufacturer industry Factory history historic development historical 1900s the past tools patent science scientific mechanics mechanic mechanical devise apparatus machinery innovations invention inventions design machines commerce heritage economy economics economic economical psi idr

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