Patents for Inventions: Abridgments of Specifications Relating to Railways; A. D. 1803-1866 (Classic Reprint) - Tapa blanda

Sinopsis

Excerpt from Patents for Inventions: Abridgments of Specifications Relating to Railways; A. D. 1803-1866

Of tunnels do not, however, come within the scope of the present series, but will appear in a volume now in course of preparation. Abridgments of specifications relating to portable railways are classed in this series, but only when these railways are distinct from the carriage which travels over them. Those which are attached to and travel with the carriage constitute a separate series. Inventions relating to atmospheric railways are, of course, included, and, of necessity, others, closely allied, for the conveyance of parcels, commonly known as the pneumatic despatch.

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