Etc. etc. etc.

E. & F. N. SPON: LONDON AND NEW YORK.

Hydraulics.

Tredgold's Tracts on Hydraulics, containing Smea-ton's Experimental Papers on the power of Water and Wind to turn Mills, etc., Venturi's Experiments on the Motion of Fluids, and Dr. Young's Summary of Practical Hydraulics, plates, royal 8vo, boards 6 0

Hydraulic Tables.

Office Hydraulic Tables, for the use of Engineers engaged in Waterworks, giving the Discharge and Dimensions of Rivers, Channels, and Pipes, by J. Neville, on a large folio sheet 1 0

Indicator.

An Elementary Treatise on Steam and the Use of the Indicator, by J. C. Graham, B.Sc. Assoc. Inst. C.E., 8vo, cloth 9 0

Iron Constructions.

Works in Iron, Bridge and Roof Structures, by Ewing Matheson, Mem. Inst. C.E., with examples of Structures made and erected by Andrew Handy-side and Co., Derby and London, second edition, royal 8vo, cloth 5 0

Link-Motion.

Link-Motion and Expansion-Gear practically considered, by N. P. Burgh, Engineer, illustrated with 90 plates and 229 wood engravings; small 4to, handsomely half-bound in morocco £2 2 0

Contents:

The History of the Invention of the Link-Motion; Principles of the action of Steam-working Valves; History of the practical application of Valve-Gearing; Geometrical principles of the action of Eccentrics and Link-Motions, according to their relative positions, as applied for Valve-Gears of Steam Engines; Action of Steam-working Valves; Action of the Steam; Application of Valve-Gearing (original); Adjustable Eccentrics; Action of the Link-Motion; Action of the Slide Valve; Action of the Eccentrics; Angles of Eccentrics (to set); Cams, shape of; Cut-off explained; Expansion explained; Exhaustion explained; Eccentric Rods (length of); Geometry of the Link-Motion and Valve; Lead explained; Lap explained; Link-Motion explained; Rules.

E. & F. N. SPON: LONDON AND NEW YORK.

Excepting in the work ' Modem Marine Engineering,' there is no book that contains practical description and illustration of the Link-Motion and Expansion-Gear. Mr. Burgh therefore put himself in communication with the principal Mechanical Engineering Firms of England and Scotland, for the purpose of making this the Standard Book of Reference on the above subjects.

Locomotive.

Catechism of the Locomotive, by W. N. Forney, Mechanical Engineer, with tables, 19 plates, and 227 wood engravings, crown 8vo, cloth 9 0

Machinery.

Appleby's Illustrated Handbook of Machinery:

Section 1. Prime Movers, including Fixed, Portable and Marine Engines; Boilers; Locomotives; Steam Launches; Heated Air, Gas, and Water Engines; Turbines and Water Wheels, with prices, weights, measurements, and some data on working expenses and results obtained, by C. J. Appleby, 8vo, cloth 2 0

Ditto, ditto. Section 2. Hoisting Machinery, including Winding Engines; Hydraulic, Steam, and Hand Cranes, Winches, and Jacks, 8vo, cloth 3 6

Ditto, ditto. Section 3. Pumping Machinery, including Pumping Engines, Centrifugal Steam and Hand Pumps, with prices, etc., etc, 8vo, cloth 3 6

Mechanical Engineering.

The Mechanician and Constructor for Engineers, comprising Forging, Planing, Lining, Slotting, Shaping, Turning, Screw Cutting, etc., by Cameron Knight, illustrated by 96 4to plates, containing 1147 illustrations, and 397 pages of letterpress, 4to, cloth £2 10 0

Or, half-bound French morocco £2 12 6

Mechanics.

The Essential Elements of Practical Mechanics, based on the principle of work, designed for Engineering Students, by Oliver Byrne, formerly Professor of Mathematics, College for Civil Engineers, second edition, illustrated by numerous wood engravings, post 8vo, cloth 7 6

E. & F. N. SPON: LONDON AND NEW YORK.

Contents: Chap. 1. How work is measured by a unit, both with and without reference to a unit of time. Chap. 2. The work of living agents, the influence of friction, and introduces one of the most beautiful laws of motion. Chap. 3. The principles expounded in the first and second chapters are applied to the motion of bodies. Chap. 4. The transmission of work by simple machines. Chap. 5. Useful propositions and rules.

Millwright's Guide.

The Practical Millwright's and Engineer's Ready Reckoner, or Tables for finding the diameter and power of cog-wheels, diameter, weight, and power of shafts, diameter and strength of bolts, etc., by Thomas Dixon, fourth edition, 12mo, cloth 3 0

Contents: Diameter and power of wheels,'diameter, weight, and power of shafts, multipliers for steam used expansively, diameters and strength of bolts, size and weight of hexagonal nuts, speed of governors for steam engines, contents of pumps, working barrels, circumferences and areas of circles, weight of boiler plates, French and English weights and measures, etc.

Mining Machinery.

Mining Machinery, a Descriptive Treatise on the Machinery, Tools, and other Appliances used in Mining, by G. G. Andre, F.G.S., Assoc. Inst. C.E., Mem. of the Society of Engineers.

In 12 Monthly Parts, royal 4to, uniform with the Author's Treatise on Coal Mining, and when complete will contain about 150 plates, accurately drawn to scale, with descriptive text, each Part 5 0

Now ready, Vol. I., cloth £1 16 0

Contents: Machinery for Prospecting, Excavating, Hauling, and Hoisting - Ventilation - Pumping - Treatment of Mineral Products, including Gold and Silver, Copper, Tin, and Lead, Iron, Coal, Sulphur, China, Clay, Brick, Earth, etc.

Perpetual Motion.

Perpetuum Mobile; or, Search for Self-Motive Power during the 17th, 18th, and 19th Centuries, illustrated from various authentic sources in papers, essays, letters, paragraphs, and numerous patent specifications, with an Introductory Essay by Henry Dircks, C.E., with numerous engravings of machines, crown 8vo, cloth 10 6

Ditto, ditto, Second Series, with numerous engravings and portraits, crown 8vo, cloth 10 6