English and American Tool BuildersYale University Press, 1916 - 315 páginas |
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Términos y frases comunes
accuracy Amos Whitney automatic became began Bement block machinery Bodmer boring machine Boulton & Watt Bramah Brown & Sharpe Brunel builders built Cincinnati Colt Armory Conn contract cotton cutter cutting cylinder developed diameter drills early Eli Whitney England factory facture Fairbairn FIGURE firm foundry gauges gear grinding Hartford Henry Maudslay Holmes Ibid improvements inches industry influence invented inventor iron James Nasmyth Jones & Lamson Joseph later lead screw lock London Machine Company Machine Tool Company machine tools makers manu Manufacturing Company Marc Isambard Brunel Maudslay's ment methods miller milling machine modern pany patent Philadelphia planer plant Pratt & Whitney rifle Robbins & Lawrence Samuel Bentham screw threads Sewing Machine shops skill slide-rest soon Springfield standard started steam engine steam hammer successful superintendent Swasey taps and dies textile tion tool building turret lathe Waterbury wheels Whitworth Wilkinson Windsor woodworking Worcester workmen
Pasajes populares
Página 130 - An improvement is made here in the construction of muskets, which it may be interesting to Congress to know, should they at any time propose to procure any. It consists in the making every part of them so exactly alike, that what belongs to any one, may be used for every other musket in the magazine.
Página 245 - The time will come when people will travel in stages, moved by steam engines, from one city to another, almost as fast as birds fly, fifteen or twenty miles an hour.
Página 156 - Is there a man who hears us who has not experienced its iltility? the whole interior of the southern states was languishing, and its inhabitants emigrating for want of some object to engage their attention and employ their industry, when the invention of this machine at once opened views to them which set the whole country in active motion.
Página 151 - The difficulties with which I have to contend have originated, principally, in the want of a disposition in mankind to do justice. My invention was new and distinct from every other ; it stood alone. It was not interwoven with anything before known ; and it can seldom happen that an invention or improvement is so strongly marked and can be so clearly and specifically identified ; and I have always believed that I should have no difficulty in causing my right to be respected, if it had been less valuable,...
Página 10 - ... bore, and shape, with a degree of certainty almost amounting to mathematical precision. The mechanical operations of the present day could not have been accomplished at any cost thirty years ago, and what was considered impossible at that time, is now performed with a degree of intelligence and exactitude that never fail to accomplish the end in view...
Página 245 - A carriage will set out from Washington in the morning, the passengers will breakfast at Baltimore, dine at Philadelphia, and sup at New York, the same day.
Página 156 - From childhood to age, it has presented to us a lucrative employment. Individuals who were depressed with poverty, and sunk in idleness, have suddenly risen to wealth and respectability. Our debts have been paid off. Our capitals have increased, and our lands trebled themselves in value. We cannot express the weight of the obligation which the country owes to this invention. The extent of it cannot now be seen.