Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 306
d; the ends of the blocks being sawed off square, they were placed between the pulling head and the weighing table of the testing machine, the load being applied the same as before. Care was taken that the pressure was applied directly through the nail and joint in both planes, in order to prevent… … Fig. 1. Testing Machine. friction and slight crushing of the test pieces between the screws and the sides of the clamps. The length of the blocks and planks varied from 8 to 15 inches, and the width from 2 inches (when the 6-penny nail was used) to 6 inches (when the 50 and 60-penny nails and…
Engineering
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