148 Test gage for angular movement .... 65Theoretical action of double roller ... 76Timekeeping, controlled by balance . . 73 Tool for length measurement 174 Tools, measuring 171 Triangle 13 T-square 9 u Unlocking action 56 Unlocking roller 136 V Verge escapement 131, 155 W Weight and inertia of… … BY CHARLES EDGAR FRITTS (EXCELSIOR), Author of Practical Hints on Watch Repairing, Practical Treatise on BalanceSpring, Electricity and Magnetism for Watchmakers, etc., etc. This well-known work is now recognized as the standardauthority on the adjustments and kindred subjects, both hereand in…
Clocks and watches
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
