4 C. Baker's List of Surveying Instruments, &c. £. s. ... O IO O 15 50-ft. Extra Stout ditto, with massive brass handles PATENT TEMPERED STEEL CHAINS. 50-ft. Patent tempered Steel Chain, very light and portable 66-ft. ditto ditto 100-ft. ditto ditto.. ... ... Standard Chains of all kinds made to order. Ο 10 O 12 I 6999996 TAPE S. 3-ft. to 6-ft. Portable Spring Pocket Tapes 50-ft. ditto ditto 66-ft. ditto ditto 33-ft. Improved Waterproof Tape, in leather case . 100-ft. ditto ditto 33-ft. Chesterman's Patent Metallic Tape, in feet, inches, and decimals 6699O Common Tapes of all descriptions 20-ft. Patent Steel Tape New Tapes fitted to Old Cases. Pocket ditto, 3 feet and upwards, with spring, from 4s. each. All the above are kept in Stock, divided decimally, and according to the French, Spanish, Portuguese, and other Foreign Systems. C. BAKER, OPTICIAN, 244 & 245, HIGH HOLBORN, LONDON, W.C. An Extensive Assortment of Second-hand TRANSITS, THEODOLITES, LEVELS, and other instruments, by the most esteemed makers, always in stock, at the Lowest Prices. All kinds of Mathematical, Optical, and Drawing Instruments Repaired or Altered on the Premises with Punctuality and Despatch. N.B.-Second-Hand Instruments purchased or taken in Exchange. Country Orders must be accompanied by Cash, or Post-Office Order payable at the High Holborn Branch. Cheques crossed London and Westminster Bank. A Catalogue of Books INCLUDING MANY NEW AND STANDARD WORKS IN ENGINEERING, ARCHITECTURE, AGRICULTURE, MATHEMATICS, MECHANICS, SCIENCE, ETC. PUBLISHED BY CROSBY LOCKWOOD & CO., 7, STATIONERS'-HALL COURT, LUDGATE HILL, E.C. ENGINEERING, SURVEYING, ETC. Humber's New Work on Water-Supply. A COMPREHENSIVE TREATISE on the WATER-SUPPLY of CITIES and TOWNS. By WILLIAM HUMBER, A.-M. Inst. C.E., and M. Inst. M. E. Illustrated with 50 Double Plates, I Single Plate, Coloured Frontispiece, and upwards of 250 Woodcuts, and containing 400 pages of Text. Imp. 4to, 61. 6s. elegantly and substantially half-bound in morocco. List of Contents: Machinery.-XII. Conduits.-XIII. Distribution of Water.-XIV. Meters, Service Pipes, and House Fittings.-XV. The Law and Economy of Water Works.XVI. Constant and Intermittent Supply. I. Historical Sketch of some of the means that have been adopted for the Supply of Water to Cities and Towns.II. Water and the Foreign Matter usually associated with it.-III. Rainfall and Evaporation.-IV. Springs and the water--XVII. Description of Plates.-Appenbearing formations of various districts.V. Measurement and Estimation of the Flow of Water.-VI. On the Selection of the Source of Supply.-VII. Wells, VIII. Reservoirs.-IX. The Purification of Water.-X. Pumps.-XI. Pumping "The most systematic and valuable work upon water supply hitherto produced in English, or in any other language .... Mr. Humber's work is characterised almost throughout by an exhaustiveness much more distinctive of French and German than of English technical treatises."-Engineer. dices, giving Tables of Rates of Supply, Velocities, &c. &c., together with Specifications of several Works illustrated, among which will be found:-Aberdeen, Bideford, Canterbury, Dundee, Halifax, Lambeth, Rotherham, Dublin, and others Humber's Great Work on Bridge Construction. A COMPLETE and PRACTICAL TREATISE on CAST and "A book-and particularly a large and costly treatise like Mr. Humber's-which has reached its third edition may certainly be said to have established its own reputation."-Engineering. Humber's Modern Engineering. A RECORD of the PROGRESS of MODERN ENGINEERING. First Series. Comprising Civil, Mechanical, Marine, Hydraulic, Railway, Bridge, and other Engineering Works, &c. By WILLIAM HUMBER, A.-M. Inst. C. E., &c. Imp. 4to, with 36 Double Plates, drawn to a large scale, and Portrait of John Hawkshaw, C.E., F.R.S., &c., and descriptive Letter-press, Specifications, &c. 31. 35. half morocco. List of the Plates and Diagrams. Victoria Station and Roof, L. B. & S. | plates); Bridge over the Thames, West C. R. (8 plates); Southport Pier (2 plates); London Extension Railway (5 plates); ArVictoria Station and Roof, L. C. & D. and mour Plates Suspension Bridge, Thames G. W. R. (6 plates); Roof of Cremorne (4 plates): The Allen Engine; Suspension Music Hall; Bridge over G. N. Railway; Bridge, Avon (3 plates); Underground Roof of Station, Dutch Rhenish Rail (2| Railway (3 plates). "Handsomely lithographed and printed. It will find favour with many who desire to preserve in a permanent form copies of the plans and specifications prepared for the guidance of the contractors for many important engineering works."-Engineer. HUMBER'S RECORD OF MODERN ENGINEERING. Second Series. Imp. 4to, with 36 Double Plates, Portrait of Robert Stephenson, C.E., &c., and descriptive Letterpress, Specifications, &c. 31. 35. half morocco. List of the Plates and Diagrams. Birkenhead Docks, Low Water Basin | Viaduct, Merthyr, Tredegar, and Aberga(15 plates); Charing Cross Station Roof, venny Railway; College Wood Viaduct, C. C. Railway (3 plates); Digswell Via- Cornwall Railway; Dublin Winter Palace duct, G. N. Railway; Robbery Wood Roof (3 plates); Bridge over the Thames, Viaduct, G. N. Railway; Iron Permanent L. C. and D. Railway (6 plates); Albert Way; Clydach Viaduct, Merthyr, Tre- Harbour, Greenock (4 plates). degar, and Abergavenny Railway; Ebbw HUMBER'S RECORD OF MODERN ENGINEERING. Third Series. Imp. 4to, with 40 Double Plates, Portrait of J. R. M'Clean, Esq., late Pres. Inst. C. E., and descriptive Letterpress, Specifications, &c. 31. 35. half morocco. List of the Plates and Diagrams. Branch (2 plates); Outfall Sewer, Reser- THAMES EMBANKMENT.-Section of ΜΑΙΝ DRAINAGE, METROPOLIS. North Side.-Map showing Interception of Sewers; Middle Level Sewer (2 plates; Outfall Sewer, Bridge over River Lea (3 plates); Outfall Sewer, Bridge over Marsh Lane, North Woolwich Railway, and Bow and Barking Railway_Junction; Outfall Sewer, Bridge over Bow and Barking Railway (3 plates); Outfall Sewer, Bridge over East London Waterworks' Feeder (2 plates); Outfall Sewer, Reservoir (2 plates); Outfall Sewer, Tumbling Bay and Outlet; Outfall Sewer, Penstocks. South Side-Outfall Sewer, Bermondsey HUMBER'S RECORD OF MODERN ENGINEERING. Fourth Series. Imp. 4to, with 36 Double Plates, Portrait of John Fowler, Esq., late Pres. Inst. C.E., and descriptive Letterpress, Specifications, &c. 34. 35. half morocco. List of the Plates and Diagrams. Abbey Mills Pumping Station, Main | potamia; Viaduct over the River Wye, Midland Railway (3 plates); St. German's ་ Strains, Formula & Diagrams for Calculation of. A HANDY BOOK for the CALCULATION of STRAINS in GIRDERS and SIMILAR STRUCTURES, and their STRENGTH; consisting of Formulæ and Corresponding Diagrams, with numerous Details for Practical Application, &c. By WILLIAM HUMBER, A.-M. Inst. C. E., &c. Third Edition. With nearly 100 Woodcuts and 3 Plates, Crown 8vo, 7s. 6d. cloth. "The system of employing diagrams as a substitute for complex computations is one justly coming into great favour, and in that respect Mr. Humber's volume is fully up to the times."-Engineering. Strains. THE STRAINS ON STRUCTURES OF IRONWORK; with Practical Remarks on Iron Construction. By F. W. SHEILDS, M. Inst. C. E. Second Edition, with 5 Plates. Royal 8vo, 5s. cloth. "The student cannot find a better book on this subject than Mr. Sheilds'."-Engineer. Barlow on the Strength of Materials, enlarged. A TREATISE ON THE STRENGTH OF MATERIALS, with Rules for application in Architecture, the Construction of Suspension Bridges, Railways, &c.; and an Appendix on the Power of Locomotive Engines, and the effect of Inclined Planes and Gradients. By PETER BARLOW, F.R.S. A New Edition, revised by his Sons, P. W. BARLOW, F. R. S., and W. H. BARLOW, F.R.S. The whole arranged and edited by W. HUMBER, A-M. Inst. C. E. 8vo, 400 pp., with 19 large Plates, 18s. cloth. "The standard treatise upon this particular subject.”—Engineer. Strength of Cast Iron, &c. A PRACTICAL ESSAY on the STRENGTH of CAST IRON and OTHER METALS. By T. TREDGOLD, C. E. 5th Edition. To which are added, Experimental Researches on the Strength, &c., of Cast Iron, by E. HODGKINSON, F.R.S. 8vo, 12s. cloth. HODGKINSON'S RESEARCHES, separate, price 6s. Hydraulics. HYDRAULIC TABLES, CO-EFFICIENTS, and FORMULÆ for finding the Discharge of Water from Orifices, Notches, Weirs, Pipes, and Rivers. With New Formule, Tables, and General Information on Rain-fall, Catchment-Basins, Drainage, Sewerage, Water Supply for Towns and Mill Power. By John Neville, Civil Engineer, M.R.I.A. Third Edition, carefully revised, with considerable Additions. Numerous Illustrations. Cr. 8vo, 145. cloth. Undoubtedly an exceedingly useful and elaborate compilation."-Iron. "Alike valuable to students and engineers in practice."-Mining Journal. River Engineering. RIVER BARS: Notes on the Causes of their Formation, and on their Treatment by Induced Tidal Scour,' with a Description of the Successful Reduction by this Method of the Bar at Dublin. By I. J. MANN, Assistant Engineer to the Dublin Port and Docks Board. With Illustrations. Royal 8vo. 7s. 6d. cloth. Hydraulics. HYDRAULIC MANUAL. Consisting of Working Tables and B 2 Levelling. A TREATISE on the PRINCIPLES and PRACTICE of LEVELLING; showing its Application to Purposes of Railway and Civil Engineering, in the Construction of Roads; with Mr. TELFORD'S Rules for the same. By FREDERICK W. SIMMS, F.G.S., M. Inst. C.E. Sixth Edition, very carefully revised, with the addition of Mr. Law's Practical Examples for Setting out Railway Curves, and Mr. TRAUTWINE'S Field Practice of Laying out Circular Curves. With 7 Plates and numerous Woodcuts. 8vo, 8s. 6d. cloth. ** TRAUTWINE on Curves, separate, 55. "The text-book on levelling in most of our engineering schools and colleges." Engineer. Practical Tunnelling. PRACTICAL TUNNELLING: Explaining in detail the Setting out of the Works, Shaft-sinking and Heading-Driving, Ranging the Lines and Levelling under Ground, Sub-Excavating, Timbering, and the Construction of the Brickwork of Tunnels with the amount of labour required for, and the Cost of, the various portions of the work. By F. W. SIMMS, M. Inst. C. E. Third Edition, Revised and Extended. By D. KINNEAR CLARK, M.I.C.E. Imp. 8vo, with 21 Folding Plates and numerous Wood Engravings, 30s. cloth. "It has been regarded from the first as a text-book of the subject.... Mr. Clark has added immensely to the value of the book."-Engineer. Steam. STEAM AND THE STEAM ENGINE, Stationary and Portable. Being an Extension of Sewell's Treatise on Steam. By D. KINNEAR CLARK, M.I.C.E. Second Edition. 12mo, 4s. cloth. Civil and Hydraulic Engineering. CIVIL ENGINEERING. By HENRY LAW, M. Inst. C.E. Gas-Lighting. COMMON SENSE FOR GAS-USERS: a Catechism of Gas- Bridge Construction in Masonry, Timber, & Iron. EXAMPLES OF BRIDGE AND VIADUCT CONSTRUCTION IN MASONRY, TIMBER, AND IRON; consisting of 46 Plates from the Contract Drawings or Admeasurement of select Works. By W. DAVIS HASKOLL, C. E. Second Edition, with the addition of 554 Estimates, and the Practice of Setting out Works, with 6 pages of Diagrams. Imp. 4to, 27. 12s. 6d. half-morocco. "A work of the present nature by a man of Mr. Haskoll's experience, must prove invaluable. The tables of estimates considerably enhance its value."-Engineering. Earthwork. EARTHWORK TABLES, showing the Contents in Cubic Yards of Embankments, Cuttings, &c., of Heights or Depths up to an average of 80 feet. By JOSEPH BROADBENT, C. E., and FRANCIS CAMPIN, C.E. Cr. 8vo, oblong, 5s. cloth. |