Hood, Grant · Kansas City, Mo. : Kansas City Jeweler and Optician · leaf 262
Mr. Grant Hood Old and New Methods of Measuring Time... 7 Time Service of To-Day 13 Iron and Steel 29 Wheels and Pinions 39 The Balance Staff and Its Measurements 57 Jeweling 69 Pivoting 81 The Balance or Hair Spring 91 The Lever Escapement 113 The Main Spring 159 The Compensating Balance and… … For Jewelers, Horologfsts, Opticians and SiluersmlthsEverywhere. TSSTTED MOXTBCLX. W. S. SMYTH. EDIT-C3I=? AND l=>UBL.IS H EF^. ALL THE NEWS OF GREATEST INTEREST TO JEWELERS IN THE MIDDLE AND SOUTHWEST, FRESH, ACCURATE AND RELIABLE. CORRECT TECHNICAL ARTICLES IN THE HOROLOGICAL AND OPTICAL…
Clocks and watches
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