Standard cotton mill practice and equipment, with classified buyer's index (1918)
National Association of Cotton Manufacturers, National Association of Cotton Manufacturers. Year book of the National Association of Cotton Manufacturers · Boston : The National Association of Cotton Manufacturers · leaf 164
rsand consequently under exactly the same conditions. Our tests showed the ball bearing type of napper to require 5.7 HP. at themotor .^haft and the rotary ring type to require 3.1 HP. This sliows a saving of approx. 45% in the power required by the rotaryring type over the ball hearing type… … WARP MERCERIZING MACHINE OUR SPECIALTIES Warp Mercerizing Machines Warp and Piece Dyeing Machines Warp Indigo Dyeing Machines Warp Drying Machines PLANS AND ESTIMATES FOR COMPLETE PLANTS 159 Finishing Machinery H. W. BUTTERWORTH & SONS CO. ESTABLLSHED 1820 PHILADELPHIA Providence Office…
