- endless tangent screw sextant
- Морской термин: секстан с бесконечным винтом
Универсальный англо-русский словарь. Академик.ру. 2011.
endless tangent screw sextant
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Dividing engine — at the Michigan Museum of Surveying A dividing engine is a device specifically employed to mark graduations on measuring instruments. History There has always been a need for accurate measuring instruments. Whether it is a linear device such as a … Wikipedia
