THE ROTARY 

 STEAM ENGINE 



THE Rotary Steam Engine has 

 attracted the best thoughts of 

 inventors and students for many 

 years. All interested should read 

 carefully the very complete in- 

 formation found in the files of the 

 Scientific American Supplement. 

 Every class and type of rotary 

 engines and pumps is described 

 and illustrated. 



Scientific American Supplement 470 describes 

 the Harrington Rotary Engine, a form of intermit- 

 tent gear. 



Scientific American Supplement 497 describes 

 Fielding & Piatt's Universal-joint Rotary Engine. 



Scientific American Supplement 507 describes 

 the Jacomy Engine, a square-piston type. 



Scientific American Supplement 528 describes 

 Inclined-shaft Rotary Engine, using the universal- 

 joint principle. 



Scientific American Supplement 558 describes 

 theKingdon Engine, a "wabble-disk" design. 



Scientific American Supplement 636 describes 

 Riggs* Revolving-cylinder Engine, suggesting the 

 present Gnome motor. 



Scientific American Supplement 775 describes 

 Revolving-cylinder engines of several forms. 



Scientific American Supplement 1109-1110- 

 1111 contains a series of great interest, describing 

 and illustrating all the principal types of rotary en- 

 gines and pumps, This set should be studied by 

 every inventor and designer. 



Scientific American Supplement 1112 describes 

 the Filtz Rotary Motor, using helical surfaces. 



Scientific American Supplement 1158 describes 

 Hult's Rotary Engine, an eccentric-ring type. 



Scientific American Supplement 1193 describes 

 Arbel & Tihon's Rotary Motor, an ingenious 

 eccentric type, now on the market as a pump. 



Scientific American Supplement 1309 describes 

 The Colwell Rotary Engine, in which a piston 

 travels entirely around an annular cylinder. 



Scientific American Supplement 1524 describes 

 Rotary Engine on the intermittent-gear principle. 



Scientific American Supplement 1534 contains 

 a valuable column on the difficulties of rotary en- 

 gine design. 



Scientific American Supplement 1821 contains 

 an article describing many new forms of rotary 

 engines of the most modern design. 



Scientific American, No. 23, Vol. 102 contains a 

 full description of the recent Herrick Rotary En- 

 gine, an eccentric type with swinging abutment. 



Scientific American, No. 23, Vol. 104 describes 

 Jarman's Engine, on the sliding-valve principle. 



Scientific American, No. 14, Vol. 106 describes 

 the AugU3tine Rotary Engine, with novel features 

 incorporated in the sliding-valve design. 



Each number of the Scientific American or 

 the Supplement costs 1 cents. A set of 

 papers containing all the articles here men- 

 tioned -will be mailed for $2.00. They give 

 more complete information on the subject 

 than a library of engineering works. Send 

 for a copy of the 1910 Supplement Catalogue, 

 free to any address. Order from your news. 

 dealer, or the publishers. 



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