US Patent: 278,916
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Machine for testing the strength of materials Tensile strength tester
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Patentee:
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Albert H. Emery (exact or similar names) - New York, NY |
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Patent Dates:
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Applied: |
Feb. 05, 1881 |
Granted: |
Jun. 05, 1883 |
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Jeff Joslin
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Description: |
"This invention relates to a power-accumulator by which power developed through a forcing-pump or other prime mover may be stored for any necessary length of time and applied at the will of the operator. The devices possesses the further advantage of apply pressure uniformly without pulsation. The accumulator consists of a series of weights, one or any required number of the weights to store the desired amount of power. The press by which the weights are raised and through which their power is subsequently used is constructed with two or more concentric cylinders..." |
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