[Download] "Scientific American, Volume 22, No. 1, January 1, 1870" by Various Authors # eBook PDF Kindle ePub Free

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eBook details

• Title: Scientific American, Volume 22, No. 1, January 1, 1870
• Author : Various Authors
• Release Date : January 01, 2012
• Genre: Antiques & Collectibles,Books,Lifestyle & Home,
• Pages : * pages
• Size : 238 KB

Description

It has frequently been urged as an objection against the twin screw system that the double set of engines, four steam cylinders with duplicates of all the working parts called for on this system, render the whole too complicated and heavy for small vessels, preventing, at the same time, the application of surface condensation. In the engines of the Spanish gunboats, of which we annex an illustration fromEngineering, the designer, Captain Ericsson, has overcome these objections by introducing a surface condenser, which, while it performs the function of condensing the steam to be returned to the boiler in the form of fresh water, serves as the principal support of the engines, dispensing entirely with the usual framework.

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