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File:The Yosemite, Alaska, and the Yellowstone (1893) (14778463732).jpg

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Identifier: yosemitealaskaye01wile (find matches)
Title: The Yosemite, Alaska, and the Yellowstone
Year: 1893 (1890s)
Authors: Wiley, William Halsted, 1842-1925 Wiley, Sara King, 1871-1909
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Publisher: London, Offices of "Engineering" New York, J. Wiley & sons
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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nd only three short bridges, these beingconstructed of iron. The maximum curvature is 16 deg., which gives aradius of 359 ft. The average ascent per mile is 1320 ft. The total risefrom base to summit is 7525 ft. The road is laid with 40 lb. steel rails ;between these, in the centre of the track, are placed two cog-rails, made ofsteel. This central rack rail is composed of two parallel steel bars l\ in.thick, and placed 1^ in. apart, in such a way that the tooth in one plate isopposite the space in the other plate. The pitch of the teeth is 4f in., andthe depth 2 in. ; the rack is attached to every alternate sleeper, at distancesof 3 ft. 6 in., by plate chairs, and shown in Fig. 20 on page 24, and fixed by-§ in. bolts. On the Mount Washington road, and on that up the Bigi, themiddle rail is constructed upon the principle of a ladder. This is cumber-some, and only allows a speed of about three miles an hour. The speedattainable on the Pikes Peak road is intended to be 17 miles, but the
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29 July 2014
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current12:03, 16 April 2016Thumbnail for version as of 12:03, 16 April 20162,144 × 1,338 (844 KB)SteinsplitterBot (talk | contribs)Bot: Image rotated by 90°
12:56, 11 October 2015Thumbnail for version as of 12:56, 11 October 20151,338 × 2,156 (852 KB)Fæ (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Identifier''': yosemitealaskaye01wile ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=insource%3A%2Fyosemitealaskaye01wile%2F fin...

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