vernier screw

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• Vernier throttle — A vernier throttle is a throttle often used in aircraft. It uses a cable and a screw mechanism to provide the operator precise control over an engine s operation. The concept is similar in use to vernier calipers which have a primary operation… …   Wikipedia

• Vernier — Pierre, French mathematician, 1580–1637. See V. acuity. * * * n. a device for obtaining accurate measurements of length, to 1/10th, 1/100th or smaller fractions of a unit. It consists of a fixed graduated main scale against which a shorter… …   Medical dictionary

• Vernier height gauge — A vernier height gauge is a height gauge with the additional refinement of a vernier scale for greater accuracy in reading or setting the tool.The first image shows two height gauges, the left height gauge has the vernier scale, the right one has …   Wikipedia

• vernier — n. a device for obtaining accurate measurements of length, to 1/10th, 1/100th or smaller fractions of a unit. It consists of a fixed graduated main scale against which a shorter vernier scale slides. The vernier scale is graduated into divisions… …   The new mediacal dictionary

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

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

• Brown & Sharpe — is today a division of Hexagon Metrology, Inc., a multinational corporation focused mainly on metrological tools and technology. During the 19th and 20th centuries, Brown Sharpe was one of the most well known and influential firms in the machine… …   Wikipedia

• 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

• Reflecting instrument — Reflecting instruments are those that use mirrors to enhance their ability to make measurements. In particular, the use of mirrors permits one to observe two objects simultaneously while measuring the angular distance between the objects. While… …   Wikipedia

• Timeline of historic inventions — The timeline of historic inventions is a chronological list of particularly important or significant technological inventions. Note: Dates for inventions are often controversial. Inventions are often invented by several inventors around the same… …   Wikipedia

• Threading (manufacturing) — Threading is the process of creating a screw thread. More screw threads are produced each year than any other machine element.[1] There are many methods of generating threads, including subtractive methods (many kinds of thread cutting and… …   Wikipedia