CONTENTS:

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.

_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, 2_s._ 6_d._

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