and should be in the hands of every architect, sanitary engineer and plumber who wishes to keep himself up to the minute on this important feature of construction. Contains following chapters, each illustrated with a full-page plate: Kitchen sink, laundry tubs, vegetable wash sink; lavatories, pantry sinks, contents of marble slabs; bath tub, foot and sitz bath, shower bath; water closets, venting of water closets; lowdown water closets, water closets operated by flush valves, water closet range; slop sink, urinals, the bidet; hotel and restaurant sink, grease trap; refrigerators, safe wastes, laundry waste, lines of refrigerators, bar sinks, soda fountain sinks; horse stall, frost-proof water closets; connections for S traps, venting; connections for drum traps; soil pipe connections; supporting of soil pipe; main trap and fresh air inlet; floor drains and cellar drains, subsoil drainage; water closets and floor connections; local venting; connections for bath rooms; connections for bath rooms, continued; connections for bath rooms, continued; connections for bath rooms, continued; examples of poor practice; roughing work ready for test; testing of plumbing system; method of continuous venting; continuous venting for two-floor work; continuous venting for two lines of fixtures on three or more floors; continuous venting of water closets; plumbing for cottage house; construction for cellar piping; plumbing for residence, use of special fittings; plumbing for two-flat house; plumbing for apartment building, plumbing for double apartment building; plumbing for office building; plumbing for public toilet rooms; plumbing for public toilet rooms, continued; plumbing for bath establishment; plumbing for engine house, factory plumbing; automatic flushing for schools, factories, etc.; use of flushing valves; urinals for public toilet rooms; the Durham system, the destruction of pipes by electrolysis; construction of work without use of lead; automatic sewage lift; automatic sump tank; country plumbing; construction of cesspools; septic tank and automatic sewage siphon; country plumbing; water supply for country house; thawing of water mains and service by electricity; double boilers; hot water supply of large buildings; automatic control of hot water tank; suggestion for estimating plumbing construction. 407 octavo pages, fully illustrated by 58 full-page engravings. Third, revised and enlarged edition just issued. Price $4.00 STANDARD PRACTICAL PLUMBING. By R. M. STARBUCK. A complete practical treatise of 450 pages covering the subject of Modern Plumbing RECIPE BOOK HENLEY'S TWENTIETH CENTURY BOOK OF RECIPES, FORMULAS AND The most valuable Techno-chemical Formula Book published, including over 10,000 Modern in its treatment of every subject that properly falls within its scope, the book be found matter of intense interest and immeasurably practical value to the scientific A mine of information, and up-to-date in every respect. A book which will prove of WHAT IS SAID OF THIS BOOK: It "Your Twentieth Century Book of Recipes, Formulas, and Processes duly received. "I purchased your book 'Henley's Twentieth Century Book of Recipes, Formulas and THE BOOK WORTH THREE HUNDRED DOLLARS " "On close examination of your 'Twentieth Century Receipt Book,' I find it to be a very valuable and useful book with the very best of practical information obtainable. The price of the book, $3.00, is very small in comparison to the benefits which one can obtain from it. I consider the book worth fully three hundred dollars to anyone.' -DR. A. C. SPETTS, New York. "ONE OF THE WORLD'S MOST USEFUL BOOKS" "Some time ago, I got one of your 'Twentieth Century Books of Formulas' and have made my living from it ever since. I am alone since my husband's death with two small children to care for and am trying so hard to support them. I have customers who take from me Toilet Articles I put up, following directions given in the book, and I have found everyone of them to be fine."-MRS. J. H. MCMAKEN, West Toledo, Ohio. RUBBER RUBBER HAND STAMPS AND THE MANIPULATION OF INDIA RUBBER. This book gives full details on all points, treating in a concise and simple manner the SAWS SAW FILINGS AND MANAGEMENT OF SAWS. BY ROBERT GRIMSHAW. A practical hand-book on filing, gumming, swaging, hammering, and the brazing of band saws, the speed, work, and power to run circular saws, etc. A handy book for those who have charge of saws, or for those mechanics who do their own filing, as it deals with the proper shape and pitches of saw teeth of all kinds and gives many useful hints and rules for gumming, setting, and filing, and is a practical aid to those who use saws for any purpose. Complete tables of proper shape, pitch, and saw teeth as well as sizes and number of teeth of various saws are included. Third edition, revised and enlarged. Illustrated. Price $1.00 STEAM ENGINEERING AMERICAN STATIONARY ENGINEERING. By W. E. Crane. This book begins at the boiler room and takes in the whole power plant. A plain talk on every-day work about engines, boilers, and their accessories. It is not intended to be scientific or mathematical. All formulas are in simple form so that any one understanding plain arithmetic can readily understand any of them. The author has made this the most practical book in print; has given the results of his years of experience, and has included about all that has to do with an engine room or a power plant. You are not left to guess at a single point. You are shown clearly what to expect under the various conditions; how to secure the best results; ways of preventing "shut downs" and repairs; in short, all that goes to make up the requirements of a good engineer, capable of taking charge of a plant. It's plain enough for practical men and yet of value to those high in the profession. A partial list of contents is: The boiler room, cleaning boilers, firing, feeding; pumps, inspection and repair; chimneys, sizes and cost; piping; mason work; foundations; testing cement; pile driving; engines, slow and high speed; valves; valve setting; Corliss engines, setting valves, single and double eccentric; air pumps and condensers; different types of condensers; water needed; lining up; pounds; pins not square in crosshead or crank; engineers' tools; pistons and piston rings; bearing metal; hardened copper; drip pipes from cylinder jackets; belts, how made, care of; oils; greases; testing lubricants; rules and tables, including steam tables; areas of segments; squares and square roots; cubes and cube root; areas and circumferences of circles. Notes on: Brick work; explosions; pumps; pump valves; heaters, economizers; safety valves; lap, lead, and clearance. Has a complete examination for a license, etc., etc. Second edition. 285 pages. Illustrated. Price EMINENT ENGINEERS. By DWIGHT GODDARD. $2.00 Everyone who appreciates the effect of such great inventions as the Steam Engine, Mr. Goddard has selected thirty-two of the world's engineers who have contributed ENGINE RUNNER'S CATECHISM. BY ROBERT GRIMSHAW. A practical treatise for the stationary engineer, telling how to erect, adjust, and run The questions asked throughout the catechism are plain and to the point, and the HORSEPOWER CHART. Shows the horsepower of any stationary engine without calculation. No matter what the cylinder diameter of stroke, the steam pressure of cut-off, the revolutions, or whether condensing or non-condensing, it's all there. Easy to use, accurate, and saves time and calculations. Especially useful to engineers and designers. 50 cents MODERN STEAM ENGINEERING IN THEORY AND PRACTICE. BY GARDNER D. HISCOX. This is a complete and practical work issued for Stationary Engineers and Firemen, Among the chapters are: Historical: steam and its properties; appliances for the STEAM ENGINE CATECHISM. By ROBERT GRIMSHAW. This unique volume of 413 pages is not only a catechism on the question and answer STEAM ENGINEER'S ARITHMETIC. By COLVIN-CHENEY. Sixteenth $2.00 A practical pocket-book for the steam engineer. Shows how to work the problems of STEAM HEATING AND VENTILATION PRACTICAL STEAM, HOT-WATER HEATING AND A. G. KING. VENTILATION. By This book is the standard and latest work published on the subject and has been prepared for the use of all engaged in the business of steam, hot-water heating, and ventilation. It is an original and exhaustive work. Tells how to get heating contracts, how to install heating and ventilating apparatus, the best business methods to be used, with "Tricks of the Trade" for shop use. Rules and data for estimating radiation and cost and such tables and information as make it an indispensable work for everyone interested in steam, hot-water heating, and ventilation. It describes all the principal systems of steam, hot-water, vacuum, vapor, and vacuum-vapor heating, together with the new accelerated systems of hot-water circulation, including chapters on up-to-date methods of ventilation and the fan or blower system of heating and ventilation. Containing chapters on: I. Introduction. II. Heat. III. Evolution artificial heating apparatus. IV. Boiler surface and settings. V. The chimney flue. VI. Pipe and fittings. VII. Valves, various kinds. VIII. Forms of radiating surfaces. IX. Locating of radiating surfaces. X. Estimating radiation. XI. Steam of heating apparatus. XII. Exhaust-steam heating. XIII. Hot-water heating. XIV. $3.00 500 PLAIN ANSWERS TO DIRECT QUESTIONS ON STEAM, HOT-WATER, VAPOR AND VACUUM HEATING PRACTICE. By ALFRED G. KING. This work, just off the press, is arranged in question and answer form; it is intended as a guide and text-book for the younger, inexperienced fitter and as a reference book for all fitters. This book tells how" and also tells 'why." No work of its kind has ever been published. It answers all the questions regarding each method or system that would be asked by the steam fitter or heating contractor, and may be used as a text or reference book, and for examination questions by Trade Schools or Steam Fitters' Associations. Rules, data, tables and descriptive methods are given, together with much other detailed information of daily practical use to those engaged in or interested in the various methods of heating. Valuable to those preparing for examinations. Answers every question asked relating to modern Steam, Hot-Water, Vapor and Vacuum Heating. Among the contents are: The Theory and Laws of Heat. Methods of Heating. Chimneys and Flues. Boilers for Heating. Boiler Trimmings and Settings. Radiation. Steam Heating. Boiler, Radiator and Pipe Connections for Steam Heating. Hot Water Heating. The Two-Pipe Gravity System of Hot Water Heating. The Circuit System of Hot Water Heating. The Overhead System of Hot Water Heating. Boiler, Radiator and Pipe Connections for Gravity Systems of Hot Water Heating. Accelerated Hot Water Heating. Expansion Tank Connections. Domestic Hot Water Heating. Valves and Air Valves. Vacuum Vapor and Vacuo-Vapor Heating. Mechanical Systems of Vacuum Heating. Non-Mechanical Vacuum Systems. Vapor Systems. Atmospheric and Modulating Systems. Heating Greenhouses. Information, Rules and Tables. 200 pages, 127 illustrations. Octavo. Cloth. Price $1.50 STEEL STEEL: ITS SELECTION, ANNEALING, HARDENING, AND TEMPERING. By E. R. MARKHAM. This work was formerly known as 'The American Steel Worker," but on the pub- This book tells how to select, and how to work, temper, harden, and anneal steel for HARDENING, TEMPERING, ANNEALING, AND FORGING OF STEEL. By A new work treating in a clear, concise manner all modern processes for the heating, annealing, forging, welding, hardening, and tempering of steel, making it a book of great practical value to the metal-working mechanic in general, with special directions for the successful hardening and tempering of all steel tools used in the arts, including milling cutters, taps, thread dies, reamers, both solid and shell, hollow mills, punches |