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 127
... wheel be placed horizontally ; their own weight will do it , if the wheel be perpendicular . When the pistons have passed the large end of the horn , they are thrown out by springs , spiral pieces on the lids , or other contrivance ...
... wheel be placed horizontally ; their own weight will do it , if the wheel be perpendicular . When the pistons have passed the large end of the horn , they are thrown out by springs , spiral pieces on the lids , or other contrivance ...
Seite 186
... 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 wheel turns upon an arm or centre , the friction is reduced as much ...
... 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 wheel turns upon an arm or centre , the friction is reduced as much ...
Seite 187
... wheel in diminishing friction , by trans- ferring it to a small centre , should not be confounded with that advantage which is independent of its rotation , and , consequently , separable from its property as a wheel . I grant that it ...
... wheel in diminishing friction , by trans- ferring it to a small centre , should not be confounded with that advantage which is independent of its rotation , and , consequently , separable from its property as a wheel . I grant that it ...
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