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

Electrical Testing.

A Handbook of Electrical Testing, by H. R Kempe, Assoc, of the Society of Telegraph Engineers, fcap. 8vo, cloth 5 0

Electricity.

Electricity; its Theory, Sources, and Applications, by John T. Sprague, Member of the Society of Telegraph Engineers, with 91 woodcuts and 30 valuable tables, crown 8vo, cloth 3 0

Electric Telegraph.

Electricity and the Electric Telegraph, by George B. Prescott, with 564 woodcut illustrations, 8vo, cloth 18 0

Electric Telegraph.

Electro-Telegraphy, by Frederick S. Beechey, Telegraph Engineer, a Book for Beginners, fcap. 8vo, cloth 1 6

Electric Telegraph.

Electrical Tables and Formulae for the use of Telegraph Inspectors and Operators, compiled by Latimer Clark and Robert Sabine, with wood engravings, crown 8vo, cloth 12 6

Engineering Drawing.

An Elementary Treatise on Orthographic Projection, being a new method of Teaching the Science of Mechanical and Engineering Drawing, intended for the instruction of Engineers, Architects, Builders, Smiths, Masons, and Bricklayers, and for the use of Schools, with numerous illustrations on wood and steel, by William Binns, Associate Institute Civil Engineers, late Master of the Mechanical Drawing Class at the Department of Science and Art, and at the School of Mines, formerly professor of Applied Mechanics at the College for Civil Engineers, etc., eighth edition, 8vo, cloth 9 0

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

Mr. Binns' system of Mechanical Drawings is in successful operation in all the Art Schools of the United Kingdom.

Engineering Drawing.

The Second Course of Orthographic Projection; being a continuation of the New Method of Teaching the Science of Mechanical and Engineering Drawing; with some Practical Remarks on the Teeth of Wheels, the Projection of Shadows, Principles of Shading, and the Practice of Making to Scale Drawings from Actual Machinery. Intended for the Instruction of Engineers, Architects, Builders, Smiths, Masons, and Bricklayers, and for the use of Science Schools and Classes, with numerous illustrations, by William Binns, Consulting Engineer, Associate I.C.E., late Master of the Mechanical Drawing Class at the Department of Science and Art, and at the Royal School of Mines; formerly Professor of Applied Mechanics at the College for Civil Engineers, etc., 8vo, cloth 10 6

Engineering Papers.

Engineering Papers, by Graham Smith, 8vo, cloth 5 0

Engineers' Pocket-Book.

A Pocket-Book of Useful Formulae and Memoranda for Civil and Mechanical Engineers, by Guilford L. Molesworth, Mem. Ins. C. E, Consulting Engineer to the Government of India for State Railways, nineteenth edition, revised, with a valuable contribution on Telegraphs by R. S. Brough and Dr. Paget Higgs, 32mo, roan 6 0

Ditto, Interleaved with Ruled Paper for Office use 9 0

Ditto, printed on India paper, for the waistcoat pocket 6 0

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

Synopsis of Contents.

Surveying, Levelling, etc. Strength and Weight of Materials. Earthwork, Brickwork, Masonry,

Arches, etc. Struts, Columns, Beams, and Trusses. Flooring, Roofing, and Roof Trusses. Girders, Bridges, etc. Railways and Roads. Hydraulic Formula:. Canals, Sewers, Waterworks, Docks. Irrigation and Breakwaters. Gas, Ventilation, and Warming. Heat, Light, Colour, and Sound. Gravity - Centres, Forces, and Powers. Millwork, Teeth of Wheels, Shafting, etc. Workshop Recipes. Sundry Machinery. Animal Power. Steam and the Steam Engine.

Water-power, Water-wheels, Turbines, etc.

Wind and Windmills.

Steam Navigation, Ship-Building, Tonnage, etc.

Gunnery, Projectiles, etc.

Weights, Measures, and Money.

Trigonometry, Conic Sections, and Curves.

Telegraph.

Mensuration.

Tables of Areas and Circumference, and Arcs of Circles.

Logarithms, Square and Cube Roots, Powers.

Reciprocals, etc.

Useful Numbers.

Differential and Integral Calculus.

Algebraic Signs.

Telegraphic Construction & Formulae.

Engineers Tables.

Spons' Tables and Memoranda for Engineers, selected and arranged by J. T. Hurst, C.E., Author of ' Architectural Surveyors' Handbook,' ' Hurst's Tredgold's Carpentry,' etc., 64mo, roan, gilt edges, second edition 1 0

Or in cloth case 1 6

Contents:

Excavators' Memoranda

Bricklayers' ,, Fire-Clay Flue Linings Weight of Bricks and Tiles

Masons' Memoranda

Weight of Limes and Cements ,, Purbeck Paving

,, Marble Slabs

Slaters' Memoranda

Weight of Slates Carpenters' Memoranda

Deal Standards

Purlins

Roof Scantlings

Floors

Rafters Plasterers' Memoranda Smiths' and Founders' Memoranda

Size of Heads, Nuts, etc.

,, Rivets Shrinkage of Castings Corrugated Iron

Zinc

Weight of Round and Square Iron

,, Flat Bar Iron

„ Round Cast Iron sup. ,, Sheet Iron ,, Hoop Iron

,, Various Metals per ft.

Chains and size of Cast Iron Pipe ,, Heads, Nuts, & Washwsp ,, Cast Iron Socket Pipes ,, Wire Size and Weight of Nails per M.

„ Spikes

Weight of Cast Iron Balls

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

Contents - continued.

Weight of Corrugated Iron Roofing ,, Nails

,, Shoes for Door Frames Relative Weight of Various Metals Proportion of Wheels Cast Iron Pillars Relative Strength of Cast and

Wrought Iron Pillars Safe Load for Stone Pillars

,, Floors

Strength of Rolled Iron Beams Fire-Proof Floors Wrought Iron Roofs Plumbers' Memoranda Weight of Sheet Lead ,, Lead Pipes Painters' and Glaziers' Memoranda Sundry Memoranda Weight of metals per foot cube cube ,, Timber

,, Earth/Stone, etc., per ft.

Weight of Liquids

,, Men and Animals ,, Forage ,, Water Oil Coal Ropes

Railway Curves Measurement of Heights Railway Road Crossings Measurement of Distances Mensuration Circumferences of Circles Areas of Circles Regular Polygons Money Tables, English and Foreign Weights and Measures Weight and size of Casks Size of Paper French Measures Maltese