Modern electro plating The principles involved in depositing gold, silver, nickel, copper, brass and other metals, by means of batteries or dynamos; the preparation and management of plating baths, chemicals used, etc . Coutts Prize). By M. Immisch. A description of the inven-tion of the balance spring, its effect upon the art of watchmaking;the effects of inertia of the balance; resistance of the air; balanceadjustment by means of turning screws and washers; proportions ofspring and balance; nature of spirals; lengths of balance vibrationsand their effect upon the timing; pinning in equal and
Modern electro plating The principles involved in depositing gold, silver, nickel, copper, brass and other metals, by means of batteries or dynamos; the preparation and management of plating baths, chemicals used, etc . Coutts Prize). By M. Immisch. A description of the inven-tion of the balance spring, its effect upon the art of watchmaking;the effects of inertia of the balance; resistance of the air; balanceadjustment by means of turning screws and washers; proportions ofspring and balance; nature of spirals; lengths of balance vibrationsand their effect upon the timing; pinning in equal and unequal coil6;the Breguet spring; making its curves; pinning; regulating isochronalsprings, etc. Fully illustrated with numerous engravings and dia-grams. Cloth. Price - 10C Repairing Repeating Watches. By C. T. Etchells. A practical treatiseon the subject and the only one in print. Fully illustrated. The mostvexatious repairs that come to the watchmaker are those on repeatingwatches—and yet they are the most profitable if yon know just how tomake them. Not every watchmaker can make them, and that is justwhy they are profitable. Do you how? If not, why not? You arenever too old to learn. Paper covers .-- «*. 237 90
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectelectro, bookyear1897
