Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 408
stays are from f to 1 J diameter or equivalent sections. To determine the diameter of stays in square inches multiply the area sup-ported by the stays and divide the product by 7,000 for wrought-iron stays notwelded; and for steel stays, under same condition, by 9,000; but if welded orotherwise…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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