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acre Altitudes angle applied approach assume average becomes bends bottom calculated catchment cent channel charge coefficient column considerable containing contraction corresponding cost cubic feet deep depth determined diameter discharge distance districts Ditto drainage drains effect elevation engine English equal equation EXAMPLE experiments expression fall feet per minute feet per second flowing foot formula friction gallons give given greater half head head due height hydraulic inches inches per second inclination increase Interpolated junction length less loss matter maximum mean mean depth measures mile nearly necessary notch observed obtained orifice passing pipes plates practical pressure quantity rain ratio reduced reservoir resistance river rounded sewers short showing side square supply surface TABLE taken theoretical tube upper varies weir wheel whole wide width yards
Page 8 - HODGKINSON'S RESEARCHES, separate, price 6s. Hydraulics. HYDRAULIC TABLES, CO-EFFICIENTS, and FORMULA for finding the Discharge of Water from Orifices, Notches, Weirs, Pipes, and Rivers. With New Formulae, Tables, and General Information on Rain-fall, Catchment-Basins, Drainage, Sewerage, Water Supply for Towns and Mill Power. By JOHN NEVILLE, Civil Engineer, MRIA Third Edition, carefully revised, with considerable Additions. Numerous Illustrations. Cr. 8vo, 14^. cloth. " Undoubtedly an exceedingly...
Page 15 - Strength of Cast Iron, &c. A PRACTICAL ESSAY on the STRENGTH of CAST IRON and OTHER METALS...
Page 5 - AN OUTLINE OF THE METHOD OF CONDUCTING A TRIGONOMETRICAL SURVEY. For the Formation of Geographical and Topographical Maps and Plans, Military Reconnaissance, LEVELLING, &c., with Useful Problems, Formulae, and Tables.
Page 7 - The third edition, with an Appendix, containing the principles and practice of constructing the Royal and Mercantile Navies, as invented and introduced by Sir ROBERT SEPPINOS, Surveyor of the Navy.
Page 377 - The aperture being the same, the effect will be nearly as the cube of the velocity of the water.
Page 124 - This formula is submitted at present temporarily, as being accurate enough for use for ordinary practical purposes, for the measurement of water by notches similar to the one experimented on, and for quantities of water limited to nearly the same range as those in the experiments ; but as being, of course, subject to amendment by more perfect experiments extending through a wider range of quantities of water.
Page 13 - Mathematical and Drawing Instruments. A TREATISE ON THE PRINCIPAL MATHEMATICAL AND DRAWING INSTRUMENTS employed by the Engineer, Architect, and Surveyor. By FREDERICK W. SIMMS, FGS, M. Inst. CE, Author of "Practical Tunnelling,
Page 16 - RIFLED ORDNANCE : A Practical Treatise on the Application of the Principle of the Rifle to Guns and Mortars of every calibre. To which is added a new theory of the initial action and force of Fired Gunpowder. By LYNALL THOMAS, FRSL Fifth edition, revised.
Page 121 - ... and laterally, so as to form a bottom to the channel of approach, which will both be smooth and will serve as the lower bounding surface of a passage of approach, unchanging in form, while increasing in magnitude at the places, at least, which are adjacent to the vertex of the notch. The floor may...