Table of contents
November 25, 1868, Volume 19 No 22 pp337-350
About the coverBusiness and Personal
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Observations on the Gold Fields of Venezuela and Geology of the State of Guayana, Read before the Lyceum of Natural History of N. Y.. by R. P. Stevens, Nov. 2D, 1868 - p338
doi:10.1038/scientificamerican11251868-338
The Best Modes of Testing the Power and Economy of Steam Engines - pp341 - 342
Charles E. Emery
doi:10.1038/scientificamerican11251868-341a
Manufacturing, Mining, and Railroad Items - pp342 - 343
doi:10.1038/scientificamerican11251868-342a
Our State Canals—Engineering Suggestions - p345
doi:10.1038/scientificamerican11251868-345
Facilities for International Communications - p345
doi:10.1038/scientificamerican11251868-345b
Annual Rainfall in Different Portions of the Earth - p346
doi:10.1038/scientificamerican11251868-346b
