the machine, first for its As the sources of error mentioned above are common to own convenience and necessities; and, secondly, on aecount what at length, giving some account of its successful trial on testing machines in general use, we think this will prove to of the apparent need of an accurate… … between the lever, G, and the ping promptly but easily at sta- COLT'S ARMORY TESTING MACHINE. screws, E, which carry the cross- tions. In the economy of railway head, are so arranged that, by depressing the free end of G, operation, the engineer of the locomotive exercises a most im- The crosshead,…
Patents · Heat · Rays · Radiant · Iron · Scientific American · Cast Iron · Water weighs · Radiant heat · Professor tyndall · Steam engine · Patent office · Sewing machine · Ten years · Steam boiler
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