The Theory and Practice of Model Aeroplaning

by V. E. Johnson

Technological Dictionary in the English, Spanish,German and French Languages. By D.Carlos Huelin Y Arssu. Crown 8vo.
Vol. I. English-Spanish-German-French.609 pp. (1906)	net	10 6
Vol. II. German-English-French-Spanish.720 pp. (1908)	net	10 6
Vol. III. French-German-Spanish-English.In preparation.
Vol. IV. Spanish-French-English-German.750 pp. (1910)	net	10 6
English-French and French-English Dictionaryof the Motor-Car, Cycle and Boat. By F.Lucas. 171 pp. crown 8vo. (1905)	net	5 0
Spanish-English Dictionary of Mining Terms.By F. Lucas. 78 pp. 8vo. (1905)	net	5 0
English-Russian and Russian-English EngineeringDictionary. By L. Meycliar. 100 pp.16mo. (1909)	net	2 6
Reed's Polyglot Guide to the Marine Engine, inEnglish, French, German and Norsk. Secondedition, oblong 8vo. (1900).	net	6 0

DOMESTIC ECONOMY.

Food Adulteration and its Detection. By J.P. Battershall. 12 plates, 328 pp. demy 8vo. (New York, 1887)		15 0
How to Check Electricity Bills. By S.W. Borden. 41 illus. 54 pp. crown 8vo. (New York, 1907)	net	2 0
Practical Hints on Taking a House. By H.P. Boulnois. 71 pp. 18mo. (1885)		1 6
The Cooking Range, its Failings and Remedies. By F. Dye. 52 pp. fcap. 8vo, sewed. (1888)		0 6
The Kitchen Boiler and Water Pipes. By H. Grimshaw. 8vo, sewed. (1887)	net	1 0
Cookery and Domestic Management, including economic and middle class Practical Cookery. By K. Mellish. 56 coloured plates and 441 illus. 987 pp. super-royal 8vo. (1901)	net	16 0
Spons' Household Manual. 250 illus. 1043 pp. demy 8vo. (1902)		7 6
Ditto ditto half-bound French morocco		9 0
Handbook of Sanitary Information for Householders. By R.S. Tracy. 33 illus. 114 pp. 18mo. (New York, 1900)		2 6

DRAWING.

The Ornamental Penman's, Engraver's and Sign Writer's Pocket Book of Alphabets. By B. Alexander. Oblong 12mo, sewed		0 6
The Draughtsman's Handbook of Plan and Map Drawing. By G.G. Andre. 87 illus. and 34 plain and coloured plates, 162 pp. crown 4to. (1891)		9 0
Slide Valve Diagrams: a French Method for their Construction. By L. Bankson. 18mo, boards. (New York, 1892)	net	2 0
A System of Easy Lettering. By J.H. Cromwell. With Supplement by G. Martin. Sixth thousand, oblong 8vo. (New York, 1900)	net	2 0
Plane Geometrical Drawing. By R.C. Fawdry. Illustrated, 185 pp. crown 8vo. (1901)	net	3 0
Twelve Plates on Projection Drawing. By O. Gueth. Oblong 4to. (New York, 1903)	net	3 0
Hints on Architectural Draughtsmanship. By G.W.T. Hallatt. Fourth edition, 80 pp. 18mo. (1906)	net	1 6
A First Course of Mechanical Drawing (Tracing). By G. Halliday. Oblong 4to, sewed		2 0
Drawings for Medium-sized Repetition Work. By R.D. Spinney. With 47 illus. 130 pp. 8vo. (1909)	net	3 6
Mathematical Drawing Instruments. By W.F. Stanley. Seventh edition, 265 illus. 370 pp. crown 8vo. (1900)		5 0

ELECTRICAL ENGINEERING.

Practical Electric Bell Fitting. By F.C. Allsop.Tenth edition, 186 illus. including 8 folding plates,185 pp. crown 8vo. (1903)		3 6
Telephones: their Construction and Fitting. ByF.C. Allsop. Eighth edition, 184 illus. 222 pp.crown 8vo. (1909)		3 6
Thermo-electric Reactions and Currents betweenMetals in Fused Salts. By T. Andrews. 8vo,sewed. (1896)		1 0
Auto-Transformer Design. By A.H. Avery.25 illus. 60 pp. 8vo. (1909)	net	3 6
Principles of Electric Power (Continuous Current)for Mechanical Engineers. By A.H. Bate.63 illus. 204 pp. crown 8vo. (1905) (FinsburyTechnical Manual)	net	4 6
Practical Construction of Electric Tramways.By William R. Bowker. 93 illus. 119 pp. 8vo.(1903)	net	6 0
Design and Construction of Induction Coils.By A.F. Collins. 155 illus. 272 pp. demy 8vo.(New York, 1909)	net	12 6
Switchboard Measuring Instruments for Continuousand Polyphase Currents. By J.C.Connan. 117 illus. 150 pp. 8vo, cloth. (1908)	net	5 0
Electric Cables, their Construction and Cost.By D. Coyle and F.J.O. Howe. With manydiagrams and 216 tables, 467 pp. crown 8vo,leather. (1909)	net	15 0
Management of Electrical Machinery. By F.B.Crocker and S.S. Wheeler. Eighth edition,131 illus. 223 pp. crown 8vo. (New York, 1909)	net	4 6
Electric Lighting: A Practical Exposition of theArt. By F.B. Crocker. Royal 8vo. (New York.)
Vol. I. The Generating Plant. Sixthedition, 213 illus. 470 pp. (1904)	net	12 6
Vol. II. Distributing Systems andLamps. Second edition, 391 illus.505 pp. (1905)	net	12 6
The Care and Management of Ignition Accumulators.By H.H.U. Cross. 12 illus. 74pp. crown 8vo, limp.(S. & C. Series, No. 19.)(1910)	net	1 6
Elementary Telegraphy and Telephony. ByArthur Crotch. 238 illus. 223 pp. 8vo. (1903.)(Finsbury Technical Manual)	net	4 6
Electricity and Magnetism in Telephone Maintenance.By G.W. Cummings. 45 illus. 137 pp.8vo. (New York, 1908)	net	6 6
Grouping of Electric Cells. By W.F. Dunton.4 illus. 50 pp. fcap. 8vo. (1906)	net	1 6
Magnets and Electric Currents. By Prof. J.A.Fleming. Second edition, 136 illus. 417 pp.crown 8vo (1902)	net	5 0
Notes on Design of Small Dynamo. By GeorgeHalliday. Second edition, 8 plates, 8vo. (1895)		2 6
Practical Alternating Currents and Power
Transmission. By N. Harrison. 172 illus.375 pp. crown 8vo. (New York, 1906)	net	10 6
Making Wireless Outfits. By N. Harrison. 27illus. 61 pp. crown 8vo, limp. (S. & C. Series,No. 11.) (New York, 1909)	net	1 6
Wireless Telephone Construction. By N. Harrison.43 illus. 73 pp. crown 8vo, limp. (S. & C.Series, No. 12.) (New York, 1909)	net	1 6
The Phœnix Fire Office Rules for Electric Lightand Electrical Power Installations. By M.Heaphy. Thirty-seventh edition, 8vo, sewed.(1908)		0 6
Testing Telegraph Cables. By Colonel V. Hoskiœr.Third edition, crown 8vo. (1889)		4 6
Long Distance Electric Power Transmission.By R.W. Hutchinson. 136 illus. 345 pp. crown8vo. (New York, 1907)	net	12 6
Theory and Practice of Electric Wiring. ByW.S. Ibbetson. 119 illus. 366 pp. crown 8vo.(1909)	net	5 0
Practical Electrical Engineering for ElementaryStudents. By W.S. Ibbetson. With 61 illus.155 pp. crown 8vo. (1910)	net	3 0
General Rules recommended for Wiring for theSupply of Electrical Energy. Issued by TheInstitution of Electrical Engineers. 8vo,sewed. (Revised, April 1907)	net	0 6
Form of Model General Conditions recommendedby The Institution of ElectricalEngineers for use in connection with ElectricalContracts. 8vo, sewed. (1906)	net	1 0
A Handbook of Electrical Testing. By H.R.Kempe. Seventh edition, 285 illus. 706 pp. demy8vo. (1908)	net	18 0
Application of Electricity to Railway Working.By W.E. Langdon. 142 illus. and 5 plates,347 pp. 8vo. (1897)		10 6
How to Become a Competent Motorman. ByV.B. Livermore and J. Williams. 45 illus.252 pp. 12mo. (New York, 1903)	net	4 6
Electromagnets, their design and construction. ByA.N. Mansfield. 36 illus. 155 pp. 18mo, boards.(New York, 1901)	net	2 0
Telephone Construction, Methods and Cost.By C. Mayer. With Appendices on the cost ofmaterials and labour by J.C. Slippy. 103 illus.284 pp. crown 8vo. (New York, 1908)	net	12 6
Induction Coils. By N.H. Schneider. Secondedition, 79 illus. 285 pp. crown 8vo. (New York,1901)	net	4 6
Electric Gas Lighting. By N.H. Schneider.57 illus. 101 pp. 12mo. (S. & C. Series, No. 8.)(New York, 1901)	net	2 0
How to Install Electric Bells, Annunciators andAlarms. By N.H. Schneider. 59 illus. 63 pp.crown 8vo, limp. (S. & C. Series, No. 2.) (NewYork, 1905)	net	1 6
Modern Primary Batteries, their construction, useand maintenance. By N.H. Schneider. 54illus. 94 pp. crown 8vo, limp. (S. & C. Series,No. 1.) (New York, 1905)	net	1 6
Practical Engineers' Handbook on the Care
and Management of Electric Power Plants.By N.H. Schneider. 203 illus. 274 pp. crown8vo. (New York, 1906)	net	5 0
Electrical Circuits and Diagrams, illustrated andexplained. By N.H. Schneider. 8vo, limp.(S. & C. Series, Nos. 3 and 4.) (New York)
Part 1. 217 illus. 72 pp. (1905)	net	1 6
Part 2. 73 pp. (1909)	net	1 6
Electrical Instruments and Testing. By N.H.Schneider. Third edition. 133 illus. 239 pp.crown 8vo. (New York, 1907)	net	4 6
Experimenting with Induction Coils. By N.H.Schneider. 26 illus. 73 pp. crown 8vo, limp.(S. & C. Series, No. 5.) (New York, 1906)	net	1 6
Study of Electricity for Beginners. By N.H.Schneider. 54 illus. 88 pp. crown 8vo, limp.(S. & C. Series, No. 6.) (New York, 1905)	net	1 6
Practical Electrics: a Universal Handybook onEvery Day Electrical Matters. Seventh edition,126 illus. 135 pp. 8vo. (S. & C. Series, No. 13.)(New York, 1902)	net	1 6
The Voltaic Accumulator: an elementary treatise.By E. Reynier. Translated from the French byJ.A. Berly. 62 illus. 202 pp. 8vo		9 0
Dry Batteries: how to Make and Use them. By aDry Battery Expert. With additional notesby N.H. Schneider. 30 illus. 59 pp. crown 8vo,sewed. (S. & C. Series, No. 7.) (New York,1905)	net	1 6
The Diseases of Electrical Machinery. ByE. Schulz. Edited, with a Preface, by Prof.S.P. Thompson. 42 illus. 84 pp. crown 8vo	net	2 0
Electric Toy-Making. By T.O. Sloane. Fifteenthedition, 70 illus. 183 pp. crown 8vo. (NewYork, 1903)	net	4 6
Electricity Simplified. By T.O. Sloane. Tenthedition, 29 illus. 158 pp. crown 8vo. (New York,1901)	net	4 6
How to become a Successful Electrician. ByT.O. Sloane. Third edition, illustrated, crown8vo. (New York, 1899)	net	4 6
Electricity: its Theory, Sources and Applications.By J.T. Sprague. Third edition, 109 illus.658 pp. crown 8vo. (1892)	net	7 6
Telegraphic Connections. By C. Thom andW.H. Jones. 20 plates, 59 pp. oblong 8vo. (NewYork, 1892)	net	3 6
Röntgen Rays and Phenomena of the Anode andCathode. By E.P. Thompson and W.A.Anthony. 105 illus. 204 pp. 8vo. (New York,1896)	net	4 6
Dynamo Electric Machinery. By Prof. S.P.Thompson. Seventh edition, demy 8vo. (FinsburyTechnical Manual.)
Vol. I. Continuous-Current Machinery.With 4 coloured and 30 foldingplates, 573 illus. 984 pp. (1904)	net	1 10 0
Vol. II. Alternating Current Machinery.15 coloured and 24 folding plates,546 illus. 900 pp. (1905)	net	1 10 0
Design of Dynamos (Continuous Currents). ByProf. S.P. Thompson. 4 coloured and 8 foldingplates, 243 pp. demy 8vo. (1903)	net	12 0
Schedule for Dynamo Design, issued with theabove. 6d. each, 4s. per doz., or 18s. per 100 net
Curves of Magnetic Data for Various Materials.A reprint on transparent paper for office use ofPlate L from Dynamo Electric Machinery, andmeasuring 25 in. by 16 in.	net	0 7
The Electromagnet. By C.R. Underhill. 67illus. 159 pp. crown 8vo. (New York, 1903)	net	6 6
Practical Guide to the Testing of InsulatedWires and Cables. By H.L. Webb. Fifthedition, 38 illus. 118 pp. crown 8vo. (New York,1902)	net	4 6

FOREIGN EXCHANGE.

English Prices with Russian Equivalents (at Fourteen Rates of Exchange). English prices per lb., with equivalents in roubles and kopecks per pood. By A. Adiassewich. 182 pp. fcap. 32mo, roan. (1908)	net	1 0
English Prices with German Equivalents (at Seven Rates of Exchange). English prices per lb., with equivalents in marks per kilogramme. By St. Koczorowski. 95 pp. fcap. 32mo, roan. (1909)	net	1 0
English Prices with Spanish Equivalents. At Seven Rates of Exchange. English prices per lb., with equivalents in pesetas per kilogramme. By S. Lambert. 95 pp. 32mo, roan. (1910)	net	1 0
English Prices with French Equivalents (at Seven Rates of Exchange). English prices per lb. to francs per kilogramme. By H.P. McCartney. 97 pp. 32mo, roan. (1907)	net	1 0
Principles of Foreign Exchange. By E. Matheson. Fourth edition, 54 pp. 8vo, sewed. (1905)	net	0 3

GAS AND OIL ENGINES.