Chapter V: Part II: A Five to Ten Mile Set and a Ten to Twenty Mile Set. 63

illus., viii + 72 pp.

=Practical and Experimental Wireless Telegraphy.= A Handbook for
Operators, Students and Amateurs. By =W. J. Shaw=, Member of the
Wireless Society of London. 42 illus., 102 pp., cr. 8vo. (_1914._)
3s. 6d. net. Post free, 3s. 10d.

=Making Wireless Outfits.= By =N. Harrison=. 27 illus., 61 pp., crown
8vo. (S. & C. SERIES, No. 11.) Second ed. (_New York, 1914._) 1s. 6d.
net.

=Wireless Telephone Construction.= By =N. Harrison=. 43 illus., 73 pp.,
crown 8vo. (S. & C. SERIES, No. 12.) (_New York, 1913._) 1s. 6d. net.

=Wireless Time Signals=, Radio-Telegraphic Time and Weather Signals
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Translation of the Report of the Bureau of Longitudes with additional
Tables and Data. Cr. 8vo, 133 pp., 1 folding plate, 30 illus.
(_1915._) 3s. 6d. net. Postage 4d.

=Testing Telegraph Cables.= By Colonel =V. Hoskiœr=. Third edition, 11
illus., viii + 75 pp., crown 8vo. (_1889._) 4s. 6d.

=Long Distance Electric Power Transmission.= By =R. W. Hutchinson=. 136
illus., 345 pp., crown 8vo. (_New York, 1907._) 12s. 6d. net.

=Theory and Practice of Electric Wiring.= By =W. S. Ibbetson=. 119
illus., 366 pp., crown 8vo. (_1914._) 3s. 6d. net.

=Practical Electrical Engineering for Elementary Students.= By =W. S.
Ibbetson=. 61 illus., 155 pp., crown 8vo. (_1914._) 2s. 6d. net.

=Form of Model General Conditions=, recommended for use in connection
with Contracts for Electrical Works. Issued by the =Institution of
Electrical Engineers=. Fcap, 19 pp. Revised April, 1914. 6d. net.
Postage 1d.

=Telegraphy for Beginners.= By =W. H. Jones=. 19 illus., 58 pp., crown
8vo. Second ed. (_New York, 1913._) 2s. net.

=A Handbook of Electrical Testing.= By =H. R. Kempe=. Seventh ed., 285
illus., 706 pp., 8vo. (_1908._) 18s. net.

=Electromagnets=, their Design and Construction. By =A. N. Mansfield=.
36 illus., 155 pp., 18mo, boards. Second ed. (_New York, 1908._) 2s.
net.

=Telephone Construction, Methods and Cost.= By =C. Mayer=. With
Appendices on the cost of materials and labour by =J. C. Slippy=. 103
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=Practical Electrics=: a Universal Handybook on Every Day Electrical
Matters. Ninth ed., 126 illus., 135 pp., 8vo. (S. & C. SERIES, No.
13.) (_New York, 1909._) 1s. 6d. net.

=Wiring Houses for the Electric Light.= By =N. H. Schneider=. 40
illus., 85 pp., crown 8vo. (S. & C. SERIES, No. 25.) (_New York,
1911._) 1s. 6d. net.

=Induction Coils.= By =N. H. Schneider=. 79 illus., 285 pp., crown 8vo.
Second ed. (_New York, 1909._) 4s. 6d. net.

=How to Install Electric Bells, Annunciators and Alarms.= By =N. H.
Schneider=. Second edition. (_1913._) 70 illus., 83 pp., crown 8vo.
(S. & C. SERIES, No. 2.)

=Modern Primary Batteries=, their construction, use and maintenance. By
=N. H. Schneider=. 54 illus., 94 pp., crown 8vo. (S. & C. SERIES, No.
1.) (_New York, 1910._) 1s. 6d. net.

=Practical Engineers’ Handbook on the Care and Management of Electric
Power Plants.= By =N. H. Schneider=. 203 illus., 274 pp., crown 8vo.
(_New York, 1906._) 5s. net.

=Electrical Circuits and Diagrams=, illustrated and explained. By =N.
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No. 3, Part 1. Second edition. 217 illus., 72 pp. (_New York,
1914._) 1s. 6d. net.

No. 4, Part 2. 73 pp. Second ed. (_1911._) 1s. 6d. net.

=Electrical Instruments and Testing.= By =N. H. Schneider= and =J.
Hargrave=. Fourth edition, 133 illus., xxiv + 256 pp., cr. 8vo. (_New
York, 1913._) 4s. 6d. net.

=Experimenting with Induction Coils.= By =N. H. Schneider=. 26 illus.,
73 pp., crown 8vo. (S. & C. SERIES, No. 5.) (_New York, 1911._) 1s.
6d. net.

=Study of Electricity for Beginners.= By =N. H. Schneider=. 54 illus.,
88 pp., crown 8vo. (S. & C. SERIES, No. 6.) (_New York, 1910._) 1s.
6d. net.

=Wiring Houses for the Electric Light=: Low Voltage Battery Systems.
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1911._) 1s. 6d. net.

=Low Voltage Electric Lighting with the Storage Battery.= By =N. H.
Schneider=. 23 illus., 85 pp., crown 8vo. (S. & C. SERIES, No. 26.)
(_New York, 1911._) 1s. 6d. net.

=Dry Batteries=: how to Make and Use them. By a =Dry Battery Expert=.
With additional notes by =N. H. Schneider=. 30 illus., 59 pp., crown
8vo. (S. & C. SERIES, No. 7.) (_New York, 1910._) 1s. 6d. net.

=The Diseases of Electrical Machinery.= By =E. Schulz=. Edited, with
a Preface, by Prof. =S. P. Thompson=. 42 illus., 84 pp., cr. 8vo.
(_1904._) 2s. net.

=Electricity Simplified.= By =T. O. Sloane=. Thirteenth edition, 29
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=How to become a Successful Electrician.= By =T. O. Sloane=. Fifteenth
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=Electricity=: its Theory, Sources and Applications. By =J. T.
Sprague=. Third edition, 109 illus., 658 pp., crown 8vo. (_1892._)
7s. 6d. net.

=Telegraphic Connections.= By =C. Thom= and =W. H. Jones=. 20 plates,
59 pp., oblong 8vo. (_New York, 1892._) 3s. 6d. net.

=Dynamo Electric Machinery.= By Prof. =S. P. Thompson=. Seventh
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Vol. I. CONTINUOUS-CURRENT MACHINERY. With 4 coloured and 30
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=Design of Dynamos= (Continuous Currents). By Prof. =S. P. Thompson=. 4
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=Schedule for Dynamo Design=, issued with the above. 6d. each, 4s. per
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=Electrical Tables and Memoranda.= By Prof. =S. P. Thompson=. Second
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Do., do., in celluloid case. 1s. 6d. net.

=Elements of Electro-Plating.= By =J. T. Sprague=. Cr. 8vo, 72 pp., 2
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=The Electromagnet.= By =C. R. Underhill=. 67 illus., 159 pp., crown
8vo. (_New York, 1903._) 6s. 6d. net.

=Practical Guide to the Testing of Insulated Wires and Gables.= By =H.
L. Webb=. Fifth edition, 38 illus., 118 pp., crown 8vo. (_New York,
1902._) 4s. 6d. net.

=Wiring Rules.= With Extracts from the Board of Trade Regulations and
the Home Office Regulations for Factories and Workshops. Issued by
=The Institution of Electrical Engineers=. Sixth edition, 42 pp.,
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FOREIGN EXCHANGE

=English Prices with Russian Equivalents= (at Fourteen Rates of
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=English Prices with French Equivalents= (at Seven Rates of Exchange).
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=Principles of Foreign Exchange.= By =E. Matheson=. Fourth edition, 54
pp., 8vo, sewed. (_1905._) 3d. net.

GAS AND OIL ENGINES

=The Theory of the Gas Engine.= By =D. Clerk=. Edited by =F. E. Idell=.
Third edition, 19 illus., 180 pp., 18mo, boards. (_New York, 1903._)
2s. net.

=Electrical Ignition for Internal Combustion Engines.= By =M. A. Codd=.
109 illus., 163 pp., crown 8vo. (_1911._) 3s. net.

=Design and Construction of Oil Engines=, with full directions for
Erecting, Testing, Installing, Running and Repairing, including
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M.Am.S.M.E. Fourth edition, 137 illus., 299 pp. (_New York, 1914._)
8s. 6d. net. Postage: inland, 5d.; abroad, 10d.

=Gas Engine in Principle and Practice.= By =A. H. Goldingham=. New
impression, 107 illus., 195 pp., 8vo. (_New York, 1912._) 6s. 6d. net.

=Practical Handbook on the Care and Management of Gas Engines.= By =G.
Lieckfeld=. Third edition, square 16mo. (_New York, 1906._) 3s. 6d.

=Elements of Gas Engine Design.= By =S. A. Moss=. 197 pp., 18mo,
boards. Second ed. (_New York, 1907._) 2s. net.

=Gas and Petroleum Engines.= A Manual for Students and Engineers. By
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GAS LIGHTING

=Transactions of the Institution of Gas Engineers.= Edited by =Walter
T. Dunn=, _Secretary_. Published annually. 8vo. 10s. 6d. net.

=Gas Analyst’s Manual.= By =J. Abady=. 102 illus., 576 pp., demy 8vo.
(_1902._) 18s. net.

=Gas Works=: their Arrangement, Construction, Plant and Machinery. By
=F. Colyer=. 31 folding plates, 134 pp., 8vo. (_1884._) 8s. 6d. net.

=Lighting by Acetylene.= By =F. Dye=. 75 illus., 200 pp., crown 8vo.
(_1902._) 6s. net.

=A Comparison of the English and French Methods of Ascertaining
the Illuminating Power of Coal Gas.= By =A. J. Van Eijndhoven=.
Illustrated, crown 8vo. (_1897._) 4s.

=Gas Lighting and Gas Fitting.= By =W. P. Gerhard=. Third edition, 190
pp., 18mo, boards. (_New York, 1904._) 2s. net.

=A Treatise on the Comparative Commercial Values of Gas Coals and
Cannels.= By =D. A. Graham=. 3 plates, 100 pp., 8vo. (_1882._) 4s. 6d.

=The Gas Engineer’s Laboratory Handbook.= By =J. Hornby=. Third
edition, revised, 70 illus., 330 pp., crown 8vo. (_1911._) 6s. net.

=Electric Gas Lighting.= By =N. H. Schneider=. 57 illus., 101 pp.,
crown 8vo. (S. & C. SERIES, No. 8.) (_New York, 1901._) 1s. 6d. net.

HISTORICAL AND BIOGRAPHICAL

=Extracts from the Private Letters of the late Sir William Fothergill
Cooke=, 1836-9, relating to the Invention and Development of the
Electric Telegraph; also a Memoir by =Latimer Clark=. Edited by =F.
H. Webb=, Sec.Inst.E.E. 8vo. (_1895._) 3s.

=A Chronology of Inland Navigation= in Great Britain. By =H. R. De
Salis=. Crown 8vo. (_1897._) 4s. 6d.

=A History of Electric Telegraphy= to the year 1837. By =J. J. Fahie=.
35 illus., 542 pp., crown 8vo. (_1889._) 2s. net.

=Life as an Engineer=: its Lights, Shades, and Prospects. By =J. W. C.
Haldane=. New edition, 23 plates, 390 pp., crown 8vo. (_1910._) 5s.
net.

=A Cornish Giant.= Richard Trevethick, the father of the Locomotive
Engine. By =E. K. Harper=. 12 illus., including 2 plates, 60 pp.,
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=Philipp Reis=, Inventor of the Telephone: a Biographical Sketch. By
Prof. =S. P. Thompson=. 8vo, cloth. (_1883._) 7s. 6d.

=The Development of the Mercurial Air Pump.= By Prof. =S. P. Thompson=.
43 illus., 37 pp., royal 8vo, sewed. (_1888._) 1s. 6d.

HOROLOGY

=Watch and Clock Maker’s Handbook=, Dictionary and Guide. By =F. J.
Britten=. Eleventh edition, 450 illus., 492 pp., crown 8vo. (_1915._)
5s. net.

=Prize Essay on the Balance Spring= and its Isochronal Adjustments. By
=M. Immisch=. 7 illus., 50 pp., crown 8vo. (_1872._) 2s. 6d.

HYDRAULICS AND HYDRAULIC MACHINERY

(_See also_ =Irrigation= _and_ =Water Supply=.)

=Hydraulics with Working Tables.= By =E. S. Bellasis=. Second edition,
160 illus., xii + 311 pp., 8vo. (_1911._) 12s. net.

=Pumps=: Historically, Theoretically and Practically Considered. By
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=Pump Details.= By =P. R. Björling=. 278 illus., 211 pp., crown 8vo.
(_1892._) 7s. 6d.

=Pumps and Pump Motors=: A Manual for the use of Hydraulic Engineers.
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=Practical Handbook on Pump Construction.= By =P. R. Björling=. Second
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=Water or Hydraulic Motors.= By =P. R. Björling=. 206 illus., 287 pp.,
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=Hydraulic Machinery=, with an Introduction to Hydraulics. By =R. G.
Blaine=. Third edition, 307 illus., 468 pp., 8vo. (FINSBURY TECHNICAL
MANUAL.) (_1913._) 10s. 6d. net.

=Practical Hydraulics.= By =T. Box=. Fifteenth edition, 8 plates, 88
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=Pumping and Water Power.= By =F. A. Bradley=. 51 illus., vii + 118
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=Pumps and Pumping Machinery.= By =F. Colyer=.

Vol. I. Second edition, 53 plates, 212 pp., 8vo. (_1892._) 10s.
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Vol. II. Second edition, 48 plates, 169 pp., 8vo. (_1900._) 10s.
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=Construction of Horizontal and Vertical Water-wheels.= By =W. Cullen=.
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=Donaldson’s Poncelet Turbine= and Water Pressure Engine and Pump. By
=W. Donaldson=. 2 plates, viii + 32 pp., demy 4to. (_1883._) 5s.

=Practical Hydrostatics and Hydrostatic Formulæ.= By =E. S. Gould=. 27
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=Hydraulic and Other Tables= for purposes of Sewerage and Water Supply.
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=Tables for Calculating the Discharge of Water= in Pipes for Water and
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63 pp., crown 8vo. (_1914._) 3s. 6d. net.

=Simple Hydraulic Formulæ.= By =T. W. Stone=. 9 plates, 98 pp., crown
8vo. (_1881._) 4s.

=A B C of Hydrodynamics.= By Lieut.-Col. =R. de Villamil=. 48 illus.,
xi + 135 pp., demy 8vo. (_1912._) 6s. net.

=Motion of Liquids.= By Lieut.-Col. =R. De Villamil=, R. Eng. (Ret.).
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Postage: inland, 4d.; abroad, 8d.

INDUSTRIAL CHEMISTRY AND MANUFACTURES

=Transactions of the American Institute of Chemical Engineers.= Issued
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=Perfumes and Cosmetics=, their Preparation and Manufacture, including
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=Brewing Calculations=, Gauging and Tabulation. By =C. H. Bater=. 340
pp., 64mo, roan, gilt edges. (_1914._) 1s. 6d. net.

=A Pocket Book for Chemists=, Chemical Manufacturers, Metallurgists,
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=Practical Receipts= for the Manufacturer, the Mechanic, and for Home
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pp., demy 8vo. (_1912._) 5s. net.

=A Treatise on the Manufacture of Soap and Candles=, Lubricants and
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=A Text Book of Paper Making.= By =C. F. Cross= and =E. J. Bevan=. _New
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=C.B.S. Standard Units and Standard Paper Tests.= By =C. F. Cross=,
=E. J. Bevan=, =C. Beadle= and =R. W. Sindall=. 25 pp., crown 4to.
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=Pyrometry.= By =C. R. Darling=. 60 illus., 200 pp., crown 8vo.
(_1911._) 5s. net.

=Soda Fountain Requisites.= A Practical Receipt Book for Druggists,
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(_New York, 1911._) 4s. 6d. net.

=Salt in Cheshire.= By =Albert F. Calvert=, F.C.S., etc. Author of
“Salt Deposits of the World,” “History of the Salt Union,” etc. 200
illus., maps and plans, 992 pp., demy 8vo. (_1914._) £1 1s. net.
Postage: inland, 6d.; abroad, 2s. 6d.

=Spices and How to Know Them.= By =W. M. Gibbs=. 47 plates, including
14 in colours, 176 pp., 8vo. (_New York, 1909._) 15s. net.

=The Chemistry of Fire= and Fire Prevention. By =H.= and =H. Ingle=. 45
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=Ice-making Machines.= By =M. Ledoux= and others. Sixth edition, 190
pp., 18mo, boards. (_New York, 1906._) 2s. net.

=Brewing with Raw Grain.= By =T. W. Lovibond=. 75 pp., crown 8vo.
(_1883._) 5s.

=The Chemistry, Properties, and Tests of Precious Stones.= By =J.
Mastin=. 114 pp., fcap. 16mo, limp leather, gilt top. (_1911._) 2s.
6d. net.

=Sugar, a Handbook for Planters and Refiners.= By the late =J. A.
R. Newlands= and =B. E. R. Newlands=. 236 illus., 876 pp., 8vo.
(_1909._) £1 5s. net.

=Principles of Leather Manufacture.= By Prof. =H. R. Procter=. _Second
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=Leather Chemists’ Pocket Book.= A short compendium of Analytical
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=H. Brumwell=. 4 illus., xiv + 223 pp., 16mo, leather. (_1912._) 5s.
net.

=Theoretical and Practical Ammonia Refrigeration.= By =I. I. Redwood=.
Third edition, 15 illus., 146 pp., square 16mo. (_New York, 1914._)
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=Breweries and Maltings.= By =G. Scammell= and =F. Colyer=. Second
edition, 20 plates, 178 pp., 8vo. (_1880._) 6s. net.

=Factory Glazes for Ceramic Engineers.= By =H. Rum-Bellow=. Folio.
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=Spons’ Encyclopædia of the Industrial Arts=, Manufactures and
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=Tables for the Quantitative Estimation of the Sugars.= By =E. Wein=
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=The Puering, Bating and Drenching of Skins.= By =J. T. Wood=. 33
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Vol. II. DYEING _to_ JAPANNING. 259 illus., 540 pp.

Vol. III. JOINTING PIPES _to_ PUMPS. 256 illus., 528 pp.

Vol. IV. RAINWATER SEPARATORS _to_ WIRE ROPE SPLICING. 321 illus.,
540 pp.

=Practical Handbook on the Distillation of Alcohol from Farm Products.=
By =F. B. Wright=. Second edition, 60 illus., 271 pp., crown 8vo.
(_New York, 1913._) 4s. 6d. net.

INTEREST TABLES

=The Wide Range Dividend and Interest Calculator=, showing at a glance
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imperial 8vo. 1s. net.

IRRIGATION

=Irrigation Works.= By =E. S. Bellasis=. 37 illus., viii + 174 pp.,
8vo. (_1913._) 8s. net.

=Punjab Rivers and Works.= By =E. S. Bellasis=. Second edition, 47
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=Irrigation Pocket Book.= By =R. B. Buckley=. Second ed., 80 illus.,
viii + 475 pp., cr. 8vo, leather, gilt edges. (_1914._) 15s. net.

=The Design of Channels for Irrigation and Drainage.= By =R. B.
Buckley=. 22 diagrams, 56 pp., crown 8vo. (_1911._) 2s. net.

=The Irrigation Works of India.= By =R. B. Buckley=. Second edition,
with coloured maps and plans. 336 pp., 4to, cloth. (_1905._) £2 2s.
net.

=Irrigated India.= By Hon. =Alfred Deakin=. With Map, 322 pp., 8vo.
(_1893._) 8s. 6d.

=Indian Storage Reservoirs, with Earthen Dams.= By =W. L. Strange=.
Second ed., 16 plates, 59 illus., xxiv + 442 pp., 8vo. (_1913._) 21s.
net.

=The Irrigation of Mesopotamia.= By Sir =W. Willcocks=. 2 vols., 46
plates, 136 pp. (Text super royal 8vo, plates folio.) (_1911._) £1
net.

=Egyptian Irrigation.= By Sir =W. Willcocks= and =J. I. Craig=. In 2
Vols. Third edition, 81 plates, 183 illus., 900 pp., sup. roy. 8vo.
(_1913._) 42s. net.

=The Nile Reservoir Dam at Assuân=, and After. By Sir =W. Willcocks=.
Second edition, 13 plates, 35 pp., super royal 8vo. (_1903._) 3s. net.

=The Assuân Reservoir and Lake Moeris.= By Sir =W. Willcocks=. With
text in English, French and Arabic. 5 plates, 116 pp., super royal
8vo. (_1904._) 3s. net.

=The Nile in 1904.= By Sir =W. Willcocks=. 30 plates, 200 pp., super
royal 8vo. (_1904._) 5s. net.

LOGARITHM TABLES

=Aldum’s Pocket Folding Mathematical Tables.= Four-figure Logarithms,
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=Tables of Seven-figure Logarithms= of the Natural Numbers from 1 to
108,000. By =C. Babbage=. Stereotype edition, 224 pp., medium 8vo.
5s. net.

=Four-Place Tables of Logarithms and Trigonometric Functions.= By =E.
V. Huntington=. Ninth thousand, 34 pp., square 8vo, limp buckram,
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=Short Logarithmic= and other Tables. By =W. C. Unwin=. Fourth edition,
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=Logarithmic Land Measurement.= By =J. Wallace=. 32 pp., royal 8vo.
(_1910._) 5s. net.

=A B C Five-figure Logarithms with Tables, for Chemists.= By =C. J.
Woodward=. Crown 8vo. 2s. 6d. net.

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MARINE ENGINEERING AND NAVAL ARCHITECTURE

=Marine Propellers.= By =S. W. Barnaby=. Fifth edition, 5 plates, 56
illus., 185 pp., demy 8vo. (_1908._) 10s. 6d. net.

=The Suction Caused by Ships and the Olympic-Hawke Collision.= By =E.
S. Bellasis=. 1 chart and 5 illus. in text, 26 pp., 8vo, sewed.
(_1912._) 1s. net.

=Yachting Hints=, Tables and Memoranda. By =A. C. Franklin=. Waistcoat
pocket size, 103 pp., 64mo, roan, gilt edges. 1s. net.

=Steamship Coefficients, Speeds and Powers.= By =C. F. A. Fyfe=. 31
plates, 280 pp., fcap. 8vo, leather. (_1907._) 10s. 6d. net.

=How to Build a Speed Launch.= By =E. W. Graef=. 14 plates, 32 pp.,
quarto. (_New York, 1903._) 4s. 6d. net.

=Steamships and Their Machinery=, from first to last. By =J. W. C.
Haldane=. 120 illus., 532 pp., 8vo. (_1893._) 15s.

=Structural Design of Warships.= By =William Hovgaard=, Professor Naval
Design, Mass. Inst. of Technology; M. Inst., N.A.; M.Socy. N.A. &
M.E. Super Roy. 8vo. With 23 tables, 6 plates, and 186 illus. 384 pp.
(_1915._) 21s. net. Postage: inland, 6d.; abroad, 1s. 2d.

=Tables for Constructing Ships’ Lines.= By =A. Hogg=. Third edition, 3
plates, 20 pp., 8vo, sewed. (_1911._) 3s. net.

=Tabulated Weights= of Angle, Tee, Bulb, Round, Square, and Flat Iron
and Steel for the use of Naval Architects, Shipbuilders, etc. By =C.
H. Jordan=. Sixth edition, 640 pp., royal 32mo, leather, gilt edges.
(_1909._) 7s. 6d. net.

=Particulars of Dry Docks=, Wet Docks, Wharves, etc., on the River
Thames. Compiled by =C. H. Jordan=. Second edition, 7 coloured
charts, 103 pp., oblong 8vo. (_1904._) 2s. 6d. net.

=Marine Transport of Petroleum.= By =H. Little=. 66 illus., 263 pp.,
crown 8vo. (_1890._) 10s. 6d.

=Questions and Answers for Marine Engineers=, with a Practical Treatise
on Breakdowns at Sea. By =T. Lucas=. 12 folding plates, 515 pp., gilt
edges, crown 8vo. (_New York, 1902._) 8s. net.

=How to Build a Motor Launch.= By =C. D. Mower=. 49 illus., 42 pp.,
4to. (_New York, 1904._) 4s. 6d. net.

=Reed’s Engineers’ Handbook to the Board of Trade Examinations= for
certificates of Competency as First and Second Class Engineers.
Nineteenth edition, 37 plates, 358 illus., 696 pp., 8vo. 14s. net.

=Key to Reed’s Handbook.= 7s. 6d. net.

=Reed’s Marine Boilers.= Third edition, 79 illus., 258 pp., crown 8vo.
(_1905._) 4s. 6d. net.

=Reed’s Useful Hints to Sea-going Engineers.= Fourth edition, 8 plates,
50 illus., 312 pp., crown 8vo. (_1903._) 3s. 6d. net.

=How to Build a Three-horse Power Launch Engine.= By =E. W. Roberts=.
14 plates, 66 pp., folio. (_New York, 1901._) 10s. 6d. net.

MATERIALS

=Practical Treatise on the Strength of Materials.= By =T. Box=. Fourth
edition, 27 plates, 536 pp., 8vo. (_1902._) 12s. 6d. net.

=Solid Bitumens.= By =S. F. Peckham=. 23 illus., 324 pp., 8vo. (_New
York, 1909._) £1 1s. net.

=Lubricants, Oils and Greases.= By =I. I. Redwood=. 3 plates, ix + 54
pp., 8vo. (_1898._) 6s. 6d. net.

=Practical Treatise on Mineral Oils= and their By-Products. By =I. I.
Redwood=. 76 illus., 336 pp., 8vo. (_1914._) 10s. 6d. net.

=Silico-Calcareous Sandstones=, or Building Stones from Quartz, Sand
and Lime. By =E. Stoffler=. 5 plates, 8vo, sewed. (_1901._) 4s. net.

=Proceedings of the Fifth Congress, International Association for
Testing Materials.= English edition. 189 illus., 549 pp., 8vo.
(_1910._) 18s. net.

=Proceedings of the Sixth Congress.= (_1913._) 30s. net.

MATHEMATICS

=Imaginary Quantities.= By =M. Argand=. Translated by Prof. =Hardy=.
18mo, boards. (_New York._) _1881._ 2s. net.

=Text-book of Practical Solid Geometry.= By =E. H. de V. Atkinson=.
Revised by Major =B. R. Ward=, R.E. Second edition, 17 plates, 134
pp., 8vo. (_1913._) 7s. 6d.

=Quick and Easy Methods of Calculating=, and the Theory and Use of the
Slide Rule. By =R. G. Blaine=. Fourth edition, 6 illus., xii + 152
pp., 16mo. (_1912._) 2s. 6d. net.

=Symbolic Algebra=, or the Algebra of Algebraic Numbers. By =W. Cain=.
12 illus., 131 pp., 18mo, boards. (_New York, 1884._) 2s. net.

=Nautical Astronomy.= By =J. H. Colvin=. 127 pp., crown 8vo. (_1901._)
2s. 6d. net.

=Chemical Problems.= By =J. C. Foye=. Fourth edition, 141 pp., 18mo,
boards. (_New York, 1898._) 2s. net.

=Primer of the Calculus.= By =E. S. Gould=. Fifth ed., 24 illus., 122
pp., 18mo, boards. (_New York, 1912._) 2s. net.

=Elementary Treatise on the Calculus= for Engineering Students. By
=J. Graham=. Fourth edition, 116 illus., xii + 355 pp., cr. 8vo.
(_1914._) 5s. net.

=Manual of the Slide Rule.= By =F. A. Halsey=. Fourth edition, 31
illus., 84 pp., 18mo, boards. (_New York, 1907._) 2s. net.

=Reform in Chemical and Physical Calculations.= By =C. J. T. Hanssen=.
4to. (_1897._) 6s. 6d. net.

=Algebra Self-Taught.= By =P. Higgs=. Third edition; 104 pp., crown
8vo. (_1903._) 2s. 6d.

=A Text-book on Graphic Statics.= By =C. W. Malcolm=. 155 illus., 316
pp., 8vo. (_New York, 1909._) 12s. 6d. net.

=Galvanic Circuit Investigated Mathematically.= By =G. S. Ohm=.
Translated by =William Francis=. 269 pp., 18mo. boards. Second ed.
(_New York, 1905._) 2s. net.

=Elementary Practical Mathematics.= By =M. T. Ormsby=. Second edition,
128 illus., xii + 410 pp., medium 8vo, (_1911._) 5s. net.

=Elements of Graphic Statics.= By =K. Von Ott=. Translated by =G. S.
Clarke=. 95 illus., 128 pp., crown 8vo. (_1901._) 5s.

=Figure of the Earth.= By =F. C. Roberts=. 2 illus., 95 pp., 18mo,
boards. (_New York, 1885._) 2s. net.

=Arithmetic of Electricity.= By =T. O’C. Sloane=. Twentieth ed., 5
illus., 162 pp., crown 8vo. (_New York, 1909._) 4s. 6d. net.

=Graphic Method for Solving certain Questions in Arithmetic or
Algebra.= By =G. L. Vose=. Second edition, 28 illus., 62 pp., 18mo,
boards. (_New York, 1902._) 2s. net.

=Problems in Electricity.= A Graduated Collection comprising all
branches of Electrical Science. By =R. Weber=. Translated from the
French by =E. A. O’Keefe=. 34 illus., 366 pp., crown 8vo. Third ed.
(_1902._) 7s. 6d. net.

MECHANICAL ENGINEERING

Steam Engines and Boilers, etc.

=Engineers’ Sketch Book of Mechanical Movements.= By =T. W. Barber=.
Fifth edition, 3,000 illus., 355 pp., 8vo. (_1906._) 10s. 6d. net.

=The Repair and Maintenance of Machinery.= By =T. W. Barber=. 417
illus., 476 pp., 8vo. (_1895._) 10s. 6d.

=The Science of Burning Liquid Fuel.= By =William Newton Best=. 100
illus., 159 pp. 8vo. (_1913._) 9s. net.

=Practical Treatise on Mill Gearing.= By =T. Box=. Fifth edition, 11
plates, 128 pp., crown 8vo. (_1892._) 7s. 6d.

=The Mechanical Engineer’s Price Book.= Edited by =Geoffrey Brooks=,
A.M.I.Mech.E. 182 pp., pocket size (6½ by 3¼ by ½ inch). Leather
cloth with rounded corners. Second ed. (_1914._) 4s. net. Postage 3d.

=Safety Valves.= By =R. H. Buell=. Third edition, 20 illus., 100 pp.,
18mo, boards. (_New York, 1898._) 2s. net.

=Machine Design.= By Prof. =W. L. Cathcart=.