London Journal of Arts and Sceinces: And Repertory of Patent Inventions, Band 3William Newton, Charles Frederick Partington W. Newton, 1821 |
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Seite 124
... motion to a large crane , ( viz . ) by treading a wheel or cylinder round . The patentee proposes to fix several arms or levers to an axle or shaft , and to tread them down one after the other , by which means a rotatory motion will be ...
... motion to a large crane , ( viz . ) by treading a wheel or cylinder round . The patentee proposes to fix several arms or levers to an axle or shaft , and to tread them down one after the other , by which means a rotatory motion will be ...
Seite 186
... motion thus produced by the name of obstacles , over which the wheel must be rolled . The resistance will thus be distinguished from that which is produced by the rubbing and tearing of surfaces illus- trated above . When a rolling ...
... motion thus produced by the name of obstacles , over which the wheel must be rolled . The resistance will thus be distinguished from that which is produced by the rubbing and tearing of surfaces illus- trated above . When a rolling ...
Seite 249
... motion which is impeded . 3rd . Mud , sand and rubbish present a very formidable resistance to motion . If the wheels of an ordinary car- riage sink into the bed of a road to the depth of 11⁄2 inch , there is opposed to motion a ...
... motion which is impeded . 3rd . Mud , sand and rubbish present a very formidable resistance to motion . If the wheels of an ordinary car- riage sink into the bed of a road to the depth of 11⁄2 inch , there is opposed to motion a ...
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