The Scientific American reference book; a compendium of useful information for inventors and mechanics, containing the complete patent laws of the United States ... forms for patents, caveats, assignments, licenses, and shop rights ... etc., etc (1876)
New York, Munn · leaf 127
e breaking weight of abeam is 4150 pounds, the load being at rest, a load of 1778pounds, moved at 30 miles per hour, will break the samebeam. The deflection of girders increases with the velocityof the load. HEAT-COIyrDUCTING PO^WER OF DIFFER-ENT BODIES. Gold, 1000 Platinum, 981 Silver, 9T3 Copper,… … 125 The knots represented on the preceding page of en-gravings are as follows: 1. Simple overhand knot. 2. Slip-knot seized. 3. Single bow-knot. 4. Square or ruf-knot. 5. Square bow-knot. 6. Weavers knot. 7. German or figure-of-8knot. 8. Two lialf-Litcbes, or ar-tificers knot. 9. Double artificers…
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