ads, it ap- feet, and in width, of course, the width of the track. valves are worked on Marshall's system, which admits pears, are doing a large amount of business, almost as Now, it would seem ridiculous for me to make such a of a very large range of expansion being adopted, and much as they are… … IMPROVED TRIPLE EXPANSION ENGINES OF THE ITALIAN CRUISER DOGALL ) 1887 SCIENTIFIC AMERICAN, INC.
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