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"Watch and Clock Escapements A Complete Study in Theory and Practice of the Lever, Cylinder and Chronometer Escapements, Together with a Brief Account of the Origin and Evolution of the Escapement in Horology"

Specially Compiled as a Standard
Text-Book for Students and a Reliable Reference Book for Engravers.
This work is the only thoroughly reliable and exhaustive treatise
published on this important subject. It is an ideal text-book, beginning
with the rudiments and leading the student step by step to a complete
and practical mastery of the art. Back of the authorship is a long
experience as a successful engraver, also a successful career as an
instructor in engraving. These qualifications ensure accuracy and
reliability of matter, and such a course of instruction as is best for
the learner and qualified engraver.
The most notable feature of the new treatise is the instructive
character of the illustrations. There are over 200 original
illustrations by the author. A very complete index facilitates reference
to any required topic.
Bound in Silk Cloth--208 Pages and 216 Illustrations.
Sent postpaid to any part of the world on receipt of price, $1.50 (6s.
3d.)
PUBLISHED BY THE KEYSTONE,
THE ORGAN OF THE JEWELRY AND OPTICAL TRADES,
19TH & BROWN STS.


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