English and American Tool Builders

accuracy American Amos Whitney became began Bement Bentham Bodmer boring machine Bramah Brown & Sharpe Brunel builders built Cincinnati Clement Colt Armory contract cotton cutter cutting cylinder developed diameter drills early Eli Whitney England Facing page Facing factory facture field fifty figure finally find finished firm first fitted five fixed foundry gauges gear grinding Harper’s Ferry Hartford improvements inches industry influence invented inventor iron James Nasmyth Lamson later lead screw London Machine Company Machine Tool Company machine tools machinery Machinist maker Mandalay manu Manufacturing Company Matthew Murray Maudslay Maudslay’s ment methods miller milling machine modern Nasmyth pany patent Philadelphia planer plant Pratt refined rifle Robbins & Lawrence Samuel Bentham screw threads Sewing Machine shops slide-rest Springfield standard started steam engine steam hammer success superintendent Swasey teeth textile thread tion tool building Watt wheels Whitney’s Whitworth William Sellers Windsor Worcester workmen