_Barlow's Tables of Squares, Cubes, Square Roots, Cube Roots, Reciprocals of all Integer Numbers up to 10,000._ Post 8vo, cloth, 6_s._

_A Practical Treatise on the Steam Engine_, containing Plans and Arrangements of Details for Fixed Steam Engines, with Essays on the Principles involved in Design and Construction. By ARTHUR RIGG, Engineer, Member of the Society of Engineers and of the Royal Inst.i.tution of Great Britain. Demy 4to, _copiously ill.u.s.trated with woodcuts and 96 plates_, in one Volume, half-bound morocco, 2_l._ 2_s._; or cheaper edition, cloth, 25_s._

This work is not, in any sense, an elementary treatise, or history of the steam engine, but is intended to describe examples of Fixed Steam Engines without entering into the wide domain of locomotive or marine practice. To this end ill.u.s.trations will be given of the most recent arrangements of Horizontal, Vertical, Beam, Pumping, Winding, Portable, Semi-portable, Corliss, Allen, Compound, and other similar Engines, by the most eminent Firms in Great Britain and America. The laws relating to the action and precautions to be observed in the construction of the various details, such as Cylinders, Pistons, Piston-rods, Connecting-rods, Cross-heads, Motion-blocks, Eccentrics, Simple, Expansion, Balanced, and Equilibrium Slide-valves, and Valve-gearing will be minutely dealt with. In this connection will be found articles upon the Velocity of Reciprocating Parts and the Mode of Applying the Indicator, Heat and Expansion of Steam Governors, and the like. It is the writer's desire to draw ill.u.s.trations from every possible source, and give only those rules that present practice deems correct.

_A Practical Treatise on the Science of Land and Engineering Surveying, Levelling, Estimating Quant.i.ties, etc._, with a general description of the several Instruments required for Surveying, Levelling, Plotting, etc. By H. S. MERRETT. Fourth edition, revised by G. W. USILL, a.s.soc.

Mem. Inst. C.E. _41 plates, with ill.u.s.trations and tables_, royal 8vo, cloth, 12_s._ 6_d._

PRINc.i.p.aL CONTENTS:

Part 1. Introduction and the Principles of Geometry. Part 2. Land Surveying; comprising General Observations--The Chain--Offsets Surveying by the Chain only--Surveying Hilly Ground--To Survey an Estate or Parish by the Chain only--Surveying with the Theodolite --Mining and Town Surveying--Railroad Surveying--Mapping-- Division and Laying out of Land--Observations on Enclosures-- Plane Trigonometry. Part 3. Levelling--Simple and Compound Levelling--The Level Book--Parliamentary Plan and Section-- Levelling with a Theodolite--Gradients--Wooden Curves--To Lay out a Railway Curve--Setting out Widths. Part 4. Calculating Quant.i.ties generally for Estimates--Cuttings and Embankments-- Tunnels--Brickwork--Ironwork--Timber Measuring. Part 5.

Description and Use of Instruments in Surveying and Plotting-- The Improved Dumpy Level--Troughton's Level--The Prismatic Compa.s.s--Proportional Compa.s.s--Box s.e.xtant--Vernier--Pantagraph-- Merrett's Improved Quadrant--Improved Computation Scale--The Diagonal Scale--Straight Edge and Sector. Part 6. Logarithms of Numbers--Logarithmic Sines and Co-Sines, Tangents and Co-Tangents --Natural Sines and Co-Sines--Tables for Earthwork, for Setting out Curves, and for various Calculations, etc., etc., etc.

_Mechanical Graphics._ A Second Course of Mechanical Drawing. With Preface by Prof. PERRY, B.Sc., F.R.S. Arranged for use in Technical and Science and Art Inst.i.tutes, Schools and Colleges, by GEORGE HALLIDAY, Whitworth Scholar. 8vo, cloth, 6_s._

_The a.s.sayers Manual_: an Abridged Treatise on the Docimastic Examination of Ores and Furnace and other Artificial Products. By BRUNO KERL. Translated by W. T. BRANNT. _With 65 ill.u.s.trations_, 8vo, cloth, 12_s._ 6_d._

_Dynamo-Electric Machinery_: a Text-Book for Students of Electro-Technology. By SILVa.n.u.s P. THOMPSON, B.A., D.Sc., M.S.T.E.

[_New edition in the press._

_The Practice of Hand Turning in Wood, Ivory, Sh.e.l.l, etc._, with Instructions for Turning such Work in Metal as may be required in the Practice of Turning in Wood, Ivory, etc.; also an Appendix on Ornamental Turning. (A book for beginners.) By FRANCIS CAMPIN. Third edition, _with wood engravings_, crown 8vo, cloth, 6_s._

CONTENTS:

On Lathes--Turning Tools--Turning Wood--Drilling--Screw Cutting-- Miscellaneous Apparatus and Processes--Turning Particular Forms-- Staining--Polishing--Spinning Metals--Materials--Ornamental Turning, etc.

_Treatise on Watchwork, Past and Present._ By the Rev. H. L. NELTHROPP, M.A., F.S.A. _With 32 ill.u.s.trations_, crown 8vo, cloth, 6_s._ 6_d._

CONTENTS:

Definitions of Words and Terms used in Watchwork--Tools--Time-- Historical Summary--On Calculations of the Numbers for Wheels and Pinions; their Proportional Sizes, Trains, etc.--Of Dial Wheels, or Motion Work--Length of Time of Going without Winding up--The Verge--The Horizontal--The Duplex--The Lever--The Chronometer-- Repeating Watches--Keyless Watches--The Pendulum, or Spiral Spring-- Compensation--Jewelling of Pivot Holes--Clerkenwell--Fallacies of the Trade--Incapacity of Workmen--How to Choose and Use a Watch, etc.

_Algebra Self-Taught._ By W. P. HIGGS, M.A., D.Sc., LL.D., a.s.soc.

Inst C.E., Author of 'A Handbook of the Differential Calculus,' etc.

Second edition, crown 8vo, cloth, 2_s._ 6_d._

CONTENTS:

Symbols and the Signs of Operation--The Equation and the Unknown Quant.i.ty--Positive and Negative Quant.i.ties--Multiplication-- Involution--Exponents--Negative Exponents--Roots, and the Use of Exponents as Logarithms--Logarithms--Tables of Logarithms and Proportionate Parts--Transformation of System of Logarithms-- Common Uses of Common Logarithms--Compound Multiplication and the Binomial Theorem--Division, Fractions, and Ratio--Continued Proportion--The Series and the Summation of the Series--Limit of Series--Square and Cube Roots--Equations--List of Formulae, etc.

_Spons' Dictionary of Engineering, Civil, Mechanical, Military, and Naval_; with technical terms in French, German, Italian, and Spanish, 3100 pp., and _nearly 8000 engravings_, in super-royal 8vo, in 8 divisions, 5_l._ 8_s._ Complete in 3 vols., cloth, 5_l._ 5_s._ Bound in a superior manner, half-morocco, top edge gilt, 3 vols., 6_l._ 12_s._

_Notes in Mechanical Engineering._ Compiled princ.i.p.ally for the use of the Students attending the Cla.s.ses on this subject at the City of London College. By HENRY ADAMS, Mem. Inst. M.E., Mem. Inst. C.E., Mem.

Soc. of Engineers. Crown 8vo, cloth, 2_s._ 6_d._

_Canoe and Boat Building_: a complete Manual for Amateurs, containing plain and comprehensive directions for the construction of Canoes, Rowing and Sailing Boats, and Hunting Craft. By W. P. STEPHENS. _With numerous ill.u.s.trations and 24 plates of Working Drawings._ Crown 8vo, cloth, 9_s._

_Proceedings of the National Conference of Electricians, Philadelphia_, October 8th to 13th, 1884. 18mo, cloth, 3_s._

_Dynamo-Electricity_, its Generation, Application, Transmission, Storage, and Measurement. By G. B. PRESCOTT. _With 545 ill.u.s.trations._ 8vo, cloth, 1_l._ 1_s._

_Domestic Electricity for Amateurs._ Translated from the French of E.

HOSPITALIER, Editor of "L'Electricien," by C. J. WHARTON, a.s.soc. Soc.

Tel. Eng. _Numerous ill.u.s.trations._ Demy 8vo, cloth, 6_s._

CONTENTS:

1. Production of the Electric Current--2. Electric Bells--3.

Automatic Alarms--4. Domestic Telephones--5. Electric Clocks--6.

Electric Lighters--7. Domestic Electric Lighting--8. Domestic Application of the Electric Light--9. Electric Motors--10. Electrical Locomotion--11. Electrotyping, Plating, and Gilding--12. Electric Recreations--13. Various applications--Workshop of the Electrician.

_Wrinkles in Electric Lighting._ By VINCENT STEPHEN. _With ill.u.s.trations._ 18mo, cloth, 2_s._ 6_d._

CONTENTS:

1. The Electric Current and its production by Chemical means--2.

Production of Electric Currents by Mechanical means--3.

Dynamo-Electric Machines--4. Electric Lamps--5. Lead--6. Ship Lighting.

_Foundations and Foundation Walls for all cla.s.ses of Buildings_, Pile Driving, Building Stones and Bricks, Pier and Wall construction, Mortars, Limes, Cements, Concretes, Stuccos, &c. _64 ill.u.s.trations._ By G. T. POWELL and F. BAUMAN. 8vo, cloth, 10_s._ 6_d._

_Manual for Gas Engineering Students._ By D. LEE. 18mo, cloth, 1_s._

_Telephones, their Construction and Management._ By F. C. ALLSOP. Crown 8vo, cloth, 5_s._

_Hydraulic Machinery, Past and Present._ A Lecture delivered to the London and Suburban Railway Officials' a.s.sociation. By H. ADAMS, Mem.

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_Twenty Years with the Indicator._ By THOMAS PRAY, Jun., C.E., M.E., Member of the American Society of Civil Engineers. 2 vols., royal 8vo, cloth, 12_s._ 6_d._

_Annual Statistical Report of the Secretary to the Members of the Iron and Steel a.s.sociation on the Home and Foreign Iron and Steel Industries in 1889._ Issued June 1890. 8vo, sewed, 5_s._

_Bad Drains, and How to Test them_; with Notes on the Ventilation of Sewers, Drains, and Sanitary Fittings, and the Origin and Transmission of Zymotic Disease. By R. HARRIS REEVES. Crown 8vo, cloth, 3_s._ 6_d._

_Well Sinking._ The modern practice of Sinking and Boring Wells, with geological considerations and examples of Wells. By ERNEST SPON, a.s.soc.

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_The Voltaic Acc.u.mulator_: an Elementary Treatise. By eMILE REYNIER.

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_Ten Years' Experience in Works of Intermittent Downward Filtration._ By J. BAILEY DENTON, Mem. Inst. C.E. Second edition, with additions.

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_Land Surveying on the Meridian and Perpendicular System._ By WILLIAM PENMAN, C.E. 8vo, cloth, 8_s._ 6_d._

_The Electromagnet and Electromagnetic Mechanism._ By SILVa.n.u.s P.

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_Incandescent Wiring Hand-Book._ By F. B. BADT, late 1st Lieut. Royal Prussian Artillery. _With 41 ill.u.s.trations and 5 tables._ 18mo, cloth, 4_s._ 6_d._