Treatise on Mills and Millwork: On the principles of mechanism and on the prime moversLongmans, Green and Company, 1871 |
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Página 2
... diameter . Usually , as at the present time in some countries , these handmills were turned by women , but amongst the Romans male slaves were employed for this purpose , or it was reserved as a penal exercise for convicts . The ...
... diameter . Usually , as at the present time in some countries , these handmills were turned by women , but amongst the Romans male slaves were employed for this purpose , or it was reserved as a penal exercise for convicts . The ...
Página 32
... diameters of the driver and follower , D = the diameter of the driver , d = the diameter of the follower , and Q , q the number of their synchronal rotations respectively ; then D = d = q x s + q Q X S = S 9 Q + q - D ... ( 1 ) or more ...
... diameters of the driver and follower , D = the diameter of the driver , d = the diameter of the follower , and Q , q the number of their synchronal rotations respectively ; then D = d = q x s + q Q X S = S 9 Q + q - D ... ( 1 ) or more ...
Página 33
Sir William Fairbairn. If the constant sum of the diameters of a group of 5 pairs of speed pulleys be 12 inches , and the diameters of the pulleys a ,, b1 , c , d , e , be 10 , 8 , 6 , 4 , and 2 inches respectively , then the diameters ...
Sir William Fairbairn. If the constant sum of the diameters of a group of 5 pairs of speed pulleys be 12 inches , and the diameters of the pulleys a ,, b1 , c , d , e , be 10 , 8 , 6 , 4 , and 2 inches respectively , then the diameters ...
Página 34
... diameters at every position of the band shall be a constant . Fig . 24 . Guide Pulleys . 36. By the intervention of guide pulleys the direction of cords may be changed into any other direction . Thus , by means of the guide pulleys B ...
... diameters at every position of the band shall be a constant . Fig . 24 . Guide Pulleys . 36. By the intervention of guide pulleys the direction of cords may be changed into any other direction . Thus , by means of the guide pulleys B ...
Página 81
... diameter , were placed at the bottom of a stone culvert , at the lowest part of the embankment , with suitable discharge valves , & c . The rain- fall for the district amounted to from 72 to 74 in . annually , of which at least 48 in ...
... diameter , were placed at the bottom of a stone culvert , at the lowest part of the embankment , with suitable discharge valves , & c . The rain- fall for the district amounted to from 72 to 74 in . annually , of which at least 48 in ...
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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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