单词 | outkeeper |
释义 | ˈoutkeeper [out- 8.] An instrument used in land-measuring: see quot.
1875Knight Dict. Mech. 1582/1 Outkeeper, a small dial-plate having an index turned by a milled head underneath, used with the surveyor's compass to keep tally in chaining. The dial is figured from 0 to 16, the index being moved one notch for every chain run. |

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