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angle vernier scale

См. также в других словарях:

  • Vernier scale — A vernier scale is an additional scale which allows a distance or angle measurement to be read more precisely than directly reading a uniformly divided straight or circular measurement scale. It is a sliding secondary scale that is used to… …   Wikipedia

  • Pierre Vernier — (19 August, 1580 at Ornans, Franche Comté, Spanish Habsburgs (now France) ndash; 14 September, 1637 same location) was a French mathematician and instrument inventor. He was inventor and eponym of the vernier scale used in measuring devices.He… …   Wikipedia

  • Pierre Vernier —     Pierre Vernier     † Catholic Encyclopedia ► Pierre Vernier     Inventor of the instrument which bears his name, b. at Ornans, Franche Comte, c. 1580; d. there, 14 Sept., 1637. His father was his teacher in science. He became captain and… …   Catholic encyclopedia

  • Caliper — For other uses, see Caliper (disambiguation). A vernier caliper …   Wikipedia

  • Micrometer — This article is about the measuring device. For the unit of length, see Micrometre. Outside, inside, and depth micrometers A micrometer (   …   Wikipedia

  • Octant (instrument) — Octant. This instrument, labelled Crichton London, Sold by J Berry, Aberdeen, appears to have an ebony frame with ivory scale, vernier and signature plate. The index arm and mirror supports are brass. Rather than use a sighting telescope, this… …   Wikipedia

  • Elton's quadrant — An Elton s quadrant is a derivative of the Davis quadrant. It adds an index arm and artificial horizon to the instrument. It was invented by John Elton a sea captain who patentedhis design in 1728Bennett, Jim, Catadioptrics and commerce in… …   Wikipedia

  • Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry …   Wikipedia

  • Milling cutter — Milling cutters are cutting tools typically used in milling machines or machining centres (and occasionally in other machine tools). They remove material by their movement within the machine (e.g., a ball nose mill) or directly from the cutter s… …   Wikipedia

  • Ruler — For other uses, see Ruler (disambiguation). A variety of rulers A 2 meter …   Wikipedia

  • Chisel — This article is about the tool. For the American band, see Chisel (band). For the album by Australian band Cold Chisel, see Chisel (album). Steel woodworking chisel …   Wikipedia

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