28 OHARLES O BIFFIN ds CO.'S PUBLICATIONS. 



Works by BRYAN DONKIN, M.Inst.C.E., M.Inst.Mech.E., &e. 



Third Edition, Revised and Enlarged. With additional 

 Illustrations. Large 8vo, Handsome Cloth. 25s. 



GAS, OIL, AND AIR ENGINES: 



A Ppaetieal Text - Book on Internal Combustion Motors 



without Boiler. 



By BRYAN DONKIN, M.Inst.C.E., M.Inst.Mech.E. 



GsNBMAL CoNTiNTS.— Gas EngfineS :— General Description— History and Derelop- 

 tuerit — British, French, and German Gas Engines — Gas Production for Motive Power — 

 Theory of the Gas Engine — Chemical Composition of Gas in Gas Engines — Utilisation of 

 He it — Explosion and Combustion. Oil Motors : — History and Development — Vaiioui 

 Types. -Priestman's and other Oil Engines. Hot- Air Engines :— History and Develop- 

 ment- -Various Types : Stirling's, Ericsson's, &c., &c. 



" The BBST BOOK NOW PUBLISHED oD Gas, Oil, and Air Engines. . . . Will be of 

 ruRY GREAT INTEREST to the numerous practical engineers who hare to make themselves 

 faiailiar with the motor of the day. . . . Mr. Donkin has the advantage of long 



PRACTICAL EXPERIENCE, combined with HIGH SCIENTIFIC AND EXPERIMENTAL KNO^'LBDOB, 



and aa accurate perception of the requirements of Engineers." — The Enginttr. 



" We HBARTILV K3C0MMEMD Mr. Doulain's work. ... A monument nf capofiil 

 liib^ur. . . . Luminous and comprehensive." — J eumal of Gai LigJiiint, . 

 " A thoroughly reliable and exhaustive Treatise." — Enginetriti!;. 



In Quarto, Handsome Cloth, With Numerous Plates. 25s. 



THE HEAT EFFICIENCY OF STEAM BOILERS 



(LAND, MARINE, AND LOCOMOTIVE). 



With many Test§ and Experiments on different Types of 



Boilers, as to the Heating Value of Fuels, &e., with 



Analyses of Gases and Amount of Evaporation, 



and Suggestions for the Testing of Boilers. 



By BRYAN DONKIN, M.Inst.C.E. 



General Contents. — Classification of different Types of Boilers — 

 425 Experiments on English and Foreign Boilers with their Heat Efficiencies 

 iiown in Fifty Tables — P'ire Grates of Various Types — Mechanical Stokers — 

 Combustion of Fuel in Boilers — Transmission of Heat through Boiler Plates, 

 and their Temperature — Feed Water Heaters, Superheaters, Feed Pumps, 

 &c. — Smoke and its Prevention — Instraments used in Testing Boilers — 

 Marine and Locomotive Boilers — Fuel Testing Stations — Discussion of the 

 Trials and Conclusions — On the Choice of a Boiler, and Testing of Land, 

 Marine, and Locomotive Boilers — Appendices — Bibliography — Index, 



With Plates illustrating Progress made during recent years, 

 and the best Modern Practice. 



"A WORK OF RKFBEENCit AT PBKBKNT UNiQCB. 'Will glyo an aDBwef to ainiO' t any 

 j[ueBtlon oonnected with the performance of boilers that rt is possible to ask."— .Fnotr'a/T. 



"Probably the most exhaustive resume that hae ever been collected. A PB>CTiaAi. 

 Book by a thoroughly practical man." — Iron and Coal Trades Review. 



lONDON: CHARLES GRIFFIN & CO.. LIMITED. EXETER STREET, STRAND. 



