barrel arbor
Watchmaking and Clockmaking
noun
The central axis of the barrel, around which the mainspring is coiled.
Origin
Late 18th century; earliest use found in Thomas Hatton (fl. 1757–1774).
| 单词 | barrel arbor |
| 释义 | barrel arborWatchmaking and Clockmaking noun The central axis of the barrel, around which the mainspring is coiled. Origin |
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