IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. An engine indicator is an instrument ...

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Journal of the Franklin Institute, vol. cxvi. No. 694, October, 1883.—The commercial and dynamic efficiencies of steam-engines, by Prof. R. H. Thurston. In this paper there are calculated the ratio of ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Crosby Steam Gauge & Valve Co. of ...

A USEFUL little treatise, easy to read and understand, and well illustrated. It has some defects. The error due to stretching of the cord is thought to be merely a ...