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 187
... friction did not render it easier to turn on its axle than to slide . Abstract only the diminution of friction , and the sledge ten feet long , represented by a , would be superior to a wheel : α for it might be drawn over the stone b ...
... friction did not render it easier to turn on its axle than to slide . Abstract only the diminution of friction , and the sledge ten feet long , represented by a , would be superior to a wheel : α for it might be drawn over the stone b ...
Seite 282
... friction rollers , the axles of which are attached to the chains by means of plummer - blocks at equal dis- tances apart ; these rollers run upon the edges of the rail , a ; upon the axles of these rollers the ordi- nary wheels , g , g ...
... friction rollers , the axles of which are attached to the chains by means of plummer - blocks at equal dis- tances apart ; these rollers run upon the edges of the rail , a ; upon the axles of these rollers the ordi- nary wheels , g , g ...
Seite 283
... friction rollers , and axles revolve together , the carriage then proceeding with nearly double the velo- city that the wheels traverse : for the friction produced at the axles being greater than the resistance experienced on the ...
... friction rollers , and axles revolve together , the carriage then proceeding with nearly double the velo- city that the wheels traverse : for the friction produced at the axles being greater than the resistance experienced on the ...
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