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

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Ginn, 1890 - Woodwork - 161 pages
 

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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 ii - In the Office of the Librarian of Congress, at Washington. TYPOGRAPHY BY JS GUSHING & Co., BOSTON, USA PRESSWORK BY GINN & Co., BOSTON, USA INTRODUCTION.
Page 10 - ... the United States of America : " Bronze standard of length, No. 11. Malleable iron standard of length, No. 57. At the bottom of each of the two holes near the extremities of each bar is a gold pin, upon which are drawn three transversal lines and two longitudinal lines. The length of the English yard is defined by the distance from the middle transversal line in one hole to the middle transversal line in the other hole, using the parts of those lines which are central between the longitudinal...

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