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.
Spons’ Engineers’ and Contractors’ Illustrated Book of Prices of Machines, Tools, Ironwork, and Contractors’ Material; and Engineers’ Directory. Third edition, 4to, cloth, 6s.
Algebra Self-Taught. By W. P. Higgs, M.A., D.Sc., LL.D., Assoc. Inst. C.E., Author of ‘A Handbook of the Differential Calculus,’ etc. Second edition, crown 8vo, cloth, 2s. 6d.
Contents:
Symbols and the Signs of Operation — The Equation and the Unknown Quantity — Positive and Negative Quantities — Multiplication — Involution — Exponents — Negative Exponents — Roots, and the Use of Exponents as Logarithms — Logarithms — Tables of Logarithms and Proportionate Parts — Transformation of System of Logarithms — Common Uses of Common Logarithms — Compound Multiplication and the Binomial Theorem — Division, Fractions, and Ratio — Continued Proportion — The Series and the Summation of the Series — Limit of Series — Square and Cube Roots — Equations — List of Formulæ, etc.
JUST PUBLISHED.
In super-royal 8vo, 1168 pp., with 2400 illustrations, in 3 Divisions, cloth, price 13s. 6d. each; or 1 vol., cloth, 2l.; or half-morocco, 2l. 8s.
A SUPPLEMENT
TO
SPONS’ DICTIONARY OF ENGINEERING,
Civil, Mechanical, Military, and Naval.
Edited by ERNEST SPON, Memb. Soc. Engineers.