Scientific American Supplement

November 27, 1909

This large issue (12X16") is in excellent condition. The Supplement was similar to the regular Scientific American except the ads were deleted and more photos were included in the larger articles. Some of the articles inside are: The cover shows the aerial cableway and ore-handling plant in New Caledonia; Heating the farmhouse; Inventive novelties; Berjonneau system of telephotography; Bakelite; The machines that make cordage; the development of the Gas engine; Copper-clad steel; Mechanical aids to railroad building; Over Switzerland in a balloon; Darwin and Biology; Return of Halley's Comet; ; a number of other articles and photos..

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