Treatise on Mills and Millwork: On the principles of mechanism and on the prime moversLongmans, Green and Company, 1871 |
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Página 4
... falling water . Probably the immense quantities of water required in Egypt and Assyria for the irrigation of the land first led to contrivances for turning to account the current of rivers as a motive power . Vitruvius describes water ...
... falling water . Probably the immense quantities of water required in Egypt and Assyria for the irrigation of the land first led to contrivances for turning to account the current of rivers as a motive power . Vitruvius describes water ...
Página 19
... fall the perpendiculars A G C B , or it may be upon Then ang . velo . D C ang . velo . A B = and Dк upon c в produced . A G ( 1 ) ; D K that is to say , the angular velocities of the rods D C and A B are to each other in the inverse ...
... fall the perpendiculars A G C B , or it may be upon Then ang . velo . D C ang . velo . A B = and Dк upon c в produced . A G ( 1 ) ; D K that is to say , the angular velocities of the rods D C and A B are to each other in the inverse ...
Página 38
... fall upon the cord from the axes of motion . 51. Let в be a movable pulley suspended from the con- tinuous cord P A B C , passing over a fixed pulley A , and attached to a point c in the same horizontal line with A. Let fall B D ...
... fall upon the cord from the axes of motion . 51. Let в be a movable pulley suspended from the con- tinuous cord P A B C , passing over a fixed pulley A , and attached to a point c in the same horizontal line with A. Let fall B D ...
Página 39
... fall A Q perpendicular to the cord Q K ; then by eq . ( 1 ) , Art . 50 , the velocity ratio may be expressed as follows : ang . velo . axis A ang . velo . axis B BK = A Q Let the axis A revolve uniformly , and let the radius , B K , of ...
... fall A Q perpendicular to the cord Q K ; then by eq . ( 1 ) , Art . 50 , the velocity ratio may be expressed as follows : ang . velo . axis A ang . velo . axis B BK = A Q Let the axis A revolve uniformly , and let the radius , B K , of ...
Página 48
... fall AC and BD perpendicular to DPC ; then , angular velocity A P BD BP = or ... angular velocity B P A C A P ( 1 ) . This result may be expressed in language as follows : -The angular velocities of the wheels are inversely as the ...
... fall AC and BD perpendicular to DPC ; then , angular velocity A P BD BP = or ... angular velocity B P A C A P ( 1 ) . This result may be expressed in language as follows : -The angular velocities of the wheels are inversely as the ...
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Treatise on Mills and Mill Work: On the principles of mechanism and on prime ... Sir William Fairbairn Visualização integral - 1861 |
Palavras e frases frequentes
angle angular velocity atmosphere axes axis axle beam bevel wheel boiler buckets calculated centre coefficient column condenser constant construction crank Crown 8vo curve cylinder diameter direction discharge Edition effect employed equal evaporation experiments Fahr fall feet per minute fixed flues formula friction fuel furnace gearing heating surface History horizontal horse power horse-power inches of mercury increased iron John Stuart Mill John Tyndall latent heat length manufacture mechanism mercury mill millwright motion move number of teeth orifice pentrough pinion pipe piston placed plate Post 8vo pressure PUBLISHED BY LONGMANS pulleys R. A. Proctor radius reservoir revolution revolutions per minute revolving rotation sails Saltaire screw shaft side sluice square inch steam engine stroke superheated synchronal rotations tail-race tion tube turbine valve velo velocity ratio vertical vols water wheels weight weir windmills Woodcuts
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