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| 1 | Title: | A review of George Graham's classic escapement, or, Dead-beat by design | |
| Creator: | Aydlett, Guy D. | ||
| Publication: | National Association of Watch and Clock Collectors, Columbia, Pa,1973. | ||
| Notes: | Caption title. "References and notes": p. 48-52. | ||
| Call #: | NK11 N278B Suppl. no. 8 | ||
| Extent: | 52 p. : ill. ; 23 cm. | ||
| Subjects: | Graham, George, -- 1673-1751 | Clocks and watches -- Escapements | ||
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