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1884 ad - C. Sidney Norris & Co., Norris patent sash pulley and pulley mortiser |
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December 1884 Carpentry and Building |
Insert Date: |
9/21/2013 11:15:02 AM |
The machine shown in the first ad is believed to have been manufactured by Joseph Clarkson & Son. The second ad shows an example of the Norris pulley itself. |
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From October 1889 Inland Architect and News Record
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