Industry: A Magazine Devoted to Science, Engineering, and Mechanic Arts, Especially on the Pacific Coast; January to December, 1893 (Inclusive) (Classic Reprint) - Tapa blanda

Sinopsis

Excerpt from Industry: A Magazine Devoted to Science, Engineering, and Mechanic Arts, Especially on the Pacific Coast; January to December, 1893 (Inclusive)

The trans-andine railway across the Andes, to connect Buenos Ayres, on the Atlantic. With Valparaiso, on the Pacific Ocean, has been completed, except 42 miles at the summit: In one case there are sixty bridges required in a little more than 100 miles, and most of these bridges were constructed in this country against competitive bids in England, mainly because of the time required. The English builders wanted eight months, and the American firms eight weeks, a wide difference. The bridges were constructed by the Phoenix Iron Works, near Philadelphia, where there is an enormous plant, and an organized system of working different from anything of the kind in Europe. There each bridge is a special design worked out by an engineer, and sent to a contractor. Here bridges are made of an uniform type. A good design is decided upon, and the makers work to that design, furnishing bridges by the piece, or by the yard. As one might say. There is no objection to this in so far as the quality of bridges, and a considerable advantage is gained in their cost, but it centralizes the industry and cuts of? Competition.

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