Bench Work in Wood: A Course of Study and Practice Designed for the Use of Schools and Colleges

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Page 132 - To proportion the area of each surface to the pressure which it has to bear, so that the timber may be safe against injury under the heaviest...
Page 132 - ... surfaces accurately in order to distribute the stress uniformly. 4. To proportion the fastenings, so that they may be of equal strength with the pieces which they connect.
Page 11 - States is a brass scale of eighty-two inches in length, prepared for the survey of the Coast of the United States, by Troughton of London, and deposited in the Office of Weights and Measures. The...

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