Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 199
meter of the head being equal the diameter of the pin, plus the width of the bar itself. The failure of such heads under the testing machine brought about the following modifications: 1. A considerable increase of width of head in the axis of the bar back of pinhole a, Fig. 1. 2. A somewhat smaller… … %i These four modifications cover all the improvements ever made on the shape of iron eye-bar heads, and it is immaterial which of the shapes, preferred by the leading bridge companies, is used — the one introduced by Shaler Smith with a pointed end back of pin (Fig. 2), the one most generally in…
Engineering
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