English and American Tool Builders

accuracy Amos Whitney became began Bement Bentham Bodmer boring machine Boulton & Watt Bramah Brown & Sharpe Brunel building built Cincinnati Colt Armory Conn contract cotton cutter cutting cylinder developed diameter drill early Eli Whitney England factory facture firm forging foundry gauges gear grinding Hartford Henry Maudslay Holmes Ibid improvements inches industry influence interchangeable invented inventor iron James Nasmyth Jenks Joseph later LENOX TILDEN London Machine Company Machine Tool Company machine tools maker manu manufac Manufacturing Company Marc Isambard Brunel Maudslay Maudslay's ment methods miller milling machine modern pany patent Pawtucket Philadelphia planer plant Pratt & Whitney PUBLIC LIBRARY ASTOR rifle Robbins & Lawrence Samuel Bentham screw threads Sewing Machine shops slide-rest Springfield standard started steam engine steam hammer success superintendent Swasey taps and dies thread tion tool builders Waterbury Watt wheels Whitworth Wilkinson William Sellers Windsor Worcester workmen