Of the different quantity of Surfaces that are passed by Mill-stones of different diameters with different velocities. ... If the velocity of their mean circles or circumferences be equal, their passing surfaces, quantity ground, and power required to move them, will be as ... multiplied by , 7854, equal 12, 56, its area; which squared is 157, 75 feet, the surface passed at one revolution: and 8 multiplied by 8 equal 64, anbsp;...
|Title||:||The Young Mill-wright and Miller's Guide|
|Author||:||Oliver Evans, Cadwallader Evans, Thomas Ellicott|