376 SCHOOL OF MINES LIBRARY. 



STEVENS, John. Documents tending to prove the Superior Advan 

 tages of Rail- Ways and Steam Carriages over Canal Naviga 

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 Beries. 8vo. 4G pp. New- York, 1812, (Rep. 1852.) 



TROY and Greenfield Rail-Road and Hoosac Tunnel. Vol. xvm., 



Pamphlets. Octavo series. 



3 Pamphlets. 38, 54, 56 pp.. Boston, 1865, 1866. 



TURNBULL, Wm. Reports on the Construction of the Piers of the 

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4to. 49 pp. Washington, 1873. 



WIENER Weltausstellung. K. K. priv. osterr. Staats-Eisenbahn 

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WILLIAMS, J. J. The Isthmus of Tehuantepec: being the Results of 

 a Survey for a Rail-Road to Connect the Atlantic and Pacific 

 Oceans, made by the Scientific Commission under the Direc 

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WLNDOM, Hon. Wm. The Northern Pacific Railway ; its Effect 

 upon the Public Credit, the Public Revenues and the Public 

 Debt. A Speech delivered in the House of Representatives, 



January 5th, 1869. Vol. XIX., Pamphlets. Octavo series. 



8vo. 60 pp. Washington, 1869. 



ZEUNER, Gustav. A Treatise on Valve Gears, with Special Refer 

 ence to the Link Motions of Locomotive Engines. Translated 

 from the German by Moritz Mailer. 



8vo. 244pp. London, 1869. 



See, also, International Exhibitions, p. 381. 

 Periodical Publications, p. 351. 



