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Image from page 217 of "Supplement to Spons dictionary of engineering, civil, mechanical, military, and naval" (1879) | by Internet Archive Book Images
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Image from page 217 of "Supplement to Spons dictionary of engineering, civil, mechanical, military, and naval" (1879)

Identifier: supplementtospon02spon

Title: Supplement to Spons dictionary of engineering, civil, mechanical, military, and naval

Year: 1879 (1870s)

Authors: Spon, Edward Byrne, Oliver Spon, Ernest Spon, Francis N

Subjects: Engineering

Publisher: London, New York, E. & F.N. Spon

Contributing Library: Smithsonian Libraries

Digitizing Sponsor: Smithsonian Libraries



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Text Appearing Before Image:

1879. Niandet (A.), La PilejElectrique, 8vo, Paris, 1879. Maxwell (J. Clerk), A Treatise on Electricity and Magnetism,8vo. Journal of the Society of Telegraph Engineers, 8vo. Engineering; Electrician; Telegraphic Journal; Telegraph Journal, New York ; Electro Technische Zeitschrift. Zetzsche,* Handbuch der Elektrischen Telegraphic. Hankel, Electrische Untersuchungen. ENGINES, VARIETIES OF. Amongst the many varieties of the steam engine, the rotary engine has not realized thatefficiency which its comparative simplicity would appear to warrant. There are many forms of therotary engine, but those in Figs. 1206 to 1209 are of especial interest, as their capabilities havebeen carefully tested. The Myersengine, Figs. 1206 and 1207, has an inner case E, set eccentric to the outer cylinder,and revolving in a groove, so that the top portion forms an abutment. The piston 0 is secured to theshaft, and has a toggle-joint connection with the case at D. The piston also has a long fluke or lug 1207.


Text Appearing After Image:

at the end. The cylinder is divided into two compartments, each of which contains one of thesecases and pistons, the two pistons being set at right angles to each other. Steam is admittedthrough a valve and ports, F and G. The Gallahue engine, Fig. 1208, consists of a casting A, which includes the main cylinder, inwhich works the piston D, firmly attached to the inner revolving cylinder B, and there are twosliding abutments E and F, actuated by cams. Steam enters and is exhausted at the ends by steamports a b and exhaust ports c d. 1208.



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