Practical Course in Adjusting: Comprising a Review of the Laws Governing the Motion of the Balance and Balance Spring in Watches and Chronometers, and ... of Variations of Rate Arising From Wan - Tapa blanda

Sinopsis

Excerpt from Practical Course in Adjusting: Comprising a Review of the Laws Governing the Motion of the Balance and Balance Spring in Watches and Chronometers, and Application of the Principles Deduced Therefrom in the Correction of Variations of Rate Arising From Want of Isochronism, Change of Pos

The work of adjusting is not difficult, nor does it re quire costly tools. It is simply a matter depending upon a knowledge of the laws that govern the motion of the bal ance and balance spring under varying circumstances and conditions. There is no trick about it, nor is there any haphazard in it. These laws are just as permanent and their result as sure as are those of the movements of the heavenly bodies; but they must be understood. Hitherto, what knowledge we did have of them has been in the possession of comparatively few; mostly men working In the manufacturing districts abroad, and even among these, adjusting until recently has been more a matter of skill than of scientific knowledge.

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