Scientific American Volume 117

Scientific American Volume 117

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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. 1917-07 edition. Excerpt: ...ENGINE.--G. J. COOPER. 1017 3d St. E. Havrc. Mont. Among the objects which the invention has in view are: to drive a rotor by means of expanding gases delivered by a stationary member having a plurality of delivery channels for operating upon the rotor: to provide means for delivering a plurality of rotary impulses on the rotor during the revolution thereof. Railways and Their Accessories STATION INDICATOR.----R. WATKIN. 163 10th Ave.. New York. N. Y. The object Ii to provide an indicator for use on cars. to display to the passengers the next station; in order to accomplish the result. use is made of an endless carrier. signs pivoted on the carrier. and each provided with a lug. and a fixed member adapted to be engaged by the lug on the forward travel of the carrier to swing the sign from vertical display position into an upward non-display position. AUTOMATIC SWITCI-I.--H. II. P.u.ur: n. 64 Columbia St.. Charleston. S. C. The invention relates to means for automatically operating the switches on railways. including street railways and particularly relates to that type of switches SHOWING SWITCH IN OPERATION AND TOP VIEW adapted to be operated automatically by trips provided on a car or locomotive and arranged to depress switch-operating plungers in the tracks at the sides. The prime object is to provide means for locking the switch in any position to which it has been thrown Pertaining to Vehicles PUMPING DEVICE FOR AUTOMOBILES.--II. M. Cnouos. McMillan and Boone Sts.. Cincinnati. 0. An object of the invention is to provide a device which may be readily applied to automobiles of the existing types. and by means of which air may be supplied to the tires. A further object is to provide a device which may be readily removed and with means..show more

Product details

  • Paperback | 692 pages
  • 189 x 246 x 35mm | 1,216g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236970853
  • 9781236970855