C.E. 4to, cloth, 9_s._

CONTENTS:

The Drawing Office and its Furnishings--Geometrical Problems-- Lines, Dots, and their Combinations--Colours, Shading, Lettering, Bordering, and North Points--Scales--Plotting--Civil Engineers"

and Surveyors" Plans--Map Drawing--Mechanical and Architectural Drawing--Copying and Reducing Trigonometrical Formulae, etc., etc.

_The Boiler-maker"s and Iron Ship-builder"s Companion_, comprising a series of original and carefully calculated tables, of the utmost utility to persons interested in the iron trades. By JAMES FODEN, author of "Mechanical Tables," etc. Second edition revised, _with ill.u.s.trations_, crown 8vo, cloth, 5_s._



_Rock Blasting_: a Practical Treatise on the means employed in Blasting Rocks for Industrial Purposes. By G. G. ANDRe, F.G.S., a.s.soc. Inst. C.E.

_With 56 ill.u.s.trations and 12 plates_, 8vo, cloth, 10_s._ 6_d._

_Painting and Painters" Manual_: a Book of Facts for Painters and those who Use or Deal in Paint Materials. By C. L. CONDIT and J. SCh.e.l.lER.

_Ill.u.s.trated_, 8vo, cloth, 10_s._ 6_d._

_A Treatise on Ropemaking as practised in public and private Rope-yards_, with a Description of the Manufacture, Rules, Tables of Weights, etc., adapted to the Trade, Shipping, Mining, Railways, Builders, etc. By R. CHAPMAN, formerly foreman to Messrs. Huddart and Co., Limehouse, and late Master Ropemaker to H.M. Dockyard, Deptford.

Second edition, 12mo, cloth, 3_s._

_Laxton"s Builders" and Contractors" Tables_; for the use of Engineers, Architects, Surveyors, Builders, Land Agents, and others. Bricklayer, containing 22 tables, with nearly 30,000 calculations. 4to, cloth, 5_s._

_Laxton"s Builders" and Contractors" Tables._ Excavator, Earth, Land, Water, and Gas, containing 53 tables, with nearly 24,000 calculations.

4to, cloth, 5_s._

_Sanitary Engineering_: a Guide to the Construction of Works of Sewerage and House Drainage, with Tables for facilitating the calculations of the Engineer. By BALDWIN LATHAM, C.E., M. Inst. C.E., F.G.S., F.M.S., Past-President of the Society of Engineers. Second edition, _with numerous plates and woodcuts_, 8vo, cloth, 1_l._ 10_s._

_Screw Cutting Tables for Engineers and Machinists_, giving the values of the different trains of Wheels required to produce Screws of any pitch, calculated by Lord Lindsay, M.P., F.R.S., F.R.A.S., etc. Cloth, oblong, 2_s._

_Screw Cutting Tables_, for the use of Mechanical Engineers, showing the proper arrangement of Wheels for cutting the Threads of Screws of any required pitch, with a Table for making the Universal Gas-pipe Threads and Taps. By W. A. MARTIN, Engineer. Second edition, oblong, cloth, 1_s._, or sewed, 6_d._

_A Treatise on a Practical Method of Designing Slide-Valve Gears by Simple Geometrical Construction_, based upon the principles enunciated in Euclid"s Elements, and comprising the various forms of Plain Slide-Valve and Expansion Gearing; together with Stephenson"s, Gooch"s, and Allan"s Link-Motions, as applied either to reversing or to variable expansion combinations. By EDWARD J. COWLING WELCH, Memb. Inst.

Mechanical Engineers. Crown 8vo, cloth, 6_s._

_Cleaning and Scouring_: a Manual for Dyers, Laundresses, and for Domestic Use. By S. CHRISTOPHER. 18mo, sewed, 6_d._

_A Glossary of Terms used in Coal Mining._ By WILLIAM STUKELEY GRESLEY, a.s.soc. Mem. Inst. C.E., F.G.S., Member of the North of England Inst.i.tute of Mining Engineers. _Ill.u.s.trated with numerous woodcuts and diagrams_, crown 8vo, cloth, 5_s._

_A Pocket-Book for Boiler Makers and Steam Users_, comprising a variety of useful information for Employer and Workman, Government Inspectors, Board of Trade Surveyors, Engineers in charge of Works and Slips, Foremen of Manufactories, and the general Steam-using Public. By MAURICE JOHN s.e.xTON. Second edition, royal 32mo, roan, gilt edges, 5_s._

_Electrolysis_: a Practical Treatise on Nickeling, Coppering, Gilding, Silvering, the Refining of Metals, and the treatment of Ores by means of Electricity. By HIPPOLYTE FONTAINE, translated from the French by J. A.

BERLY, C.E., a.s.soc. S.T.E. _With engravings._ 8vo, cloth, 9_s._

_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.

_Health and Comfort in House Building, or Ventilation with Warm Air by Self-Acting Suction Power_, with Review of the mode of Calculating the Draught in Hot-Air Flues, and with some actual Experiments. By J.

DRYSDALE, M.D., and J. W. HAYWARD, M.D. Second edition, with Supplement, _with plates_, demy 8vo, cloth, 7_s._ 6_d._

_The a.s.sayer"s 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._

_Electricity_: its Theory, Sources, and Applications. By J. T. SPRAGUE, M.S.T.E. Second edition, revised and enlarged, _with numerous ill.u.s.trations_, crown 8vo, cloth, 15_s._

_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:

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