A Text-book on Steam & Steam-engines ...Griffin, 1889 - 400 էջ |
Common terms and phrases
angle irons arrangement atmosphere back pressure blades bolts Boyle's law brass C₁ cast-iron centre line circle clearance cock combustion chamber compound engine compression connected connecting-rod construction crank shaft crank-pin crosshead cubic curve draw eccentric efficiency end plates expansion feet fire-box fitted fixed flanges gear heat engine high-pressure cylinder holes horizontal horse-power illustrated inches diameter indicator diagram lap joint latent heat Lecture length lever locomotive longitudinal low-pressure cylinder marine boilers marine engine mean pressure Messrs motion nuts ordinary P₁ piston piston-rod point of cut-off position pump revolutions per minute rings riveted S.S. St scale screw propeller shell shown side Sketch and describe slide valve speed square inch stays steam engine steam pipe steam port steam pressure steel stroke surface condenser temperature thick triple-expansion engines tube plate units of heat valve spindle vertical vessel volume water cock wheel wrought-iron
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Էջ 46 - It is hardly necessary to add, that anything which any insulated body, or system of bodies, can continue to furnish without limitation, cannot possibly be a material substance ; and it appears to me to be extremely difficult, if not quite impossible, to form any distinct idea of anything capable of being excited and communicated in the manner the Heat was excited and communicated in these experiments, except it be MOTION.
Էջ 13 - ELEMENTS OF METALLURGY. A PRACTICAL TREATISE ON THE ART OF EXTRACTING METALS FROM THEIR ORES. BY J. ARTHUR PHILLIPS, M.lNST.OE, FCS, FGS, <fcc.
Էջ 8 - I call the steam vessel, must, during the whole time the engine is at work, be kept as hot as the steam that enters it; first, by inclosing it in a case of wood, or any other materials that transmit heat slowly; secondly, by surrounding it with steam or other heated bodies; and thirdly, by suffering neither water nor any other substance colder than the steam, to enter or touch it during that time.
Էջ 20 - Copies of the FIRST ISSUE, giving an Account of the History, Organization, and Conditions of Membership of the various Societies, and forming the groundwork of the Series, may still be had, price 7/6. Also Copies of the Issues following.
Էջ 17 - MISCELLANEOUS SCIENTIFIC PAPERS. Royal 8vo. Cloth, 31s. 6d. Part I. Papers relating to Temperature, Elasticity, and Expansion of Vapours, Liquids, and Solids. Part II. Papers on Energy and its Transformations. Part III. Papers on Wave-Forms, Propulsion of Vessels, &c.
Էջ 29 - FROM THE AUTHOR'S PREFATORY ADDRESS. " Without entering upon that difficult ground which correct professional knowledge and educated judgment can alone permit to be safely trodden, there is a wide and extensive field for exertion, and for usefulness, open to the unprofessional, in the kindly offices of a true DOMESTIC MEDICINE, the timely help and solace of a simple HOUSEHOLD SURGERY, or, better still, in the watchful care more generally known as 'SANITARY PRECAUTION,' which tends rather to preserve...
Էջ 17 - In order to render the work complete for the purposes of the Shipbuilder, whether at home or abroad, the Methods of Calculation introduced by Mr. FK BARNES. Mr. GRAY, M.
Էջ 12 - Those who have experience in exact SURVEY-WORK will best know how to appreciate the enormous amount of labour represented by this valuable book. The computations enable the user to ascertain the sines and cosines for a distance of twelve miles to within half an inch, and this BY REFERENCE TO BUT ONE TABLE, in place of the usual Fifteen minute computations required.
Էջ 12 - Specially arranged for the use of Science and Art, City and Guilds of London Institute, and other Engineering Students.
Էջ 20 - Science Generally : ie, Societies occupying themselves with several Branches of Science, or with Science and Literature Jointly.