School Groups Learn About Simple Machinery at the Bowmansville Roller Mill

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  • Bowmansville Roller Mill 9-21-2012 compressed
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  • 2011-09-10 Bowmanville Mill 13 compressed
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  • 2011-09-10 Bowmanville Mill 17 compress
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  • 2011-09-10 Bowmanville Mill 20 compressed
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