The Stevens Indicator Volume 22

The Stevens Indicator Volume 22

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1905 edition. Excerpt: would be inconvenient to have to carry them around from one machine to another. For this reason the floor of the machine-shop is made of heavy cast-steel sections which are grooved and drilled like a planer bed. The piece to be worked on is securely fastened to this floor and the machine is then brought up to it. All the machines are motor driven. It is really wonderful, the variation in sizes of the machines turned out by these firms. They will supply you with the ornamental little fans for your oflice-desk just as readily as with a 5,500 K. W. Manhattan type alternator. The Westinghouse Machine Company makes an automatic high-speed singleacting engine for direct connection to generators which is unique inasmuch as it has a piston valve disposed transversely across the top of the cylinder. This type of engine is made both simple and compound. A new type of machine which excited much interest was the horizontal two-cylinder (tandem) double-acting gas-engine, one of which was undergoing test while we were there; while another, consisting of four cylinders, two in tandem, was under construction. The General Electric Company supply a considerable number of 50 and 100 K. W. direct connected compounds to the navy. It was evident at both Pittsburg and Schenectady, however, that steam turbines are receiving a great deal of the attention of these two giant manufacturers. As far as the casual observer could judge, the mechanical features of the Curtis machine seemed to be more developed than those of the Parsons turbine. Thus the buckets for the Curtis turbine were being cut into the rim of a solid disk of steel by a most ingenious machine, while the buckets of the Parsons machine were still being calked into place by hand. A few words as to...
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Product details

  • Paperback | 156 pages
  • 189 x 246 x 8mm | 290g
  • United States
  • English
  • black & white illustrations
  • 123682525X
  • 9781236825254