AMERICAN
Horological Journal.
Vol. I.NEW YORK, JULY, 1869.No. 1.
CONTENTS.
| Astronomy in its Relations to Horology, | 5 |
| Watch and Chronometer Jewelling, | 11 |
| Hints on Clocks and Clock Making, | 15 |
| Notices of New Tools, | 17 |
| Greenwich Observatory, | 17 |
| Pinions, | 20 |
| New Three-Pin Escapement, | 23 |
| English Opinion of American Watch Manufacture, | 23 |
| Correspondence, | 24 |
| Eclipse of the Sun, | 25 |
| Diamond Cutting, | 25 |
| Alloys of Aluminum with Copper, | 25 |
| Equation of Time Table, | 28 |
⁂ Address all communications for Horological Journalto G. B. Miller, P. O. Box 6715, New York City.Publication Office 229 Broadway.
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Astronomy in its Relations to Horology.