vernier protractor

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• Protractor — In geometry, a protractor is a circular or semicircular tool for measuring an angle or a circle. The units of measurement utilized are usually degrees.Some protractors are simple half discs; these have existed since ancient times. More advanced… …   Wikipedia

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

• Brown, Joseph Rogers — born Jan. 26, 1810, Warren, R.I., U.S. died July 23, 1876, Isles of Shoals, N.H. U.S. inventor and manufacturer. He perfected and produced a highly accurate linear dividing engine in 1850, and then developed a vernier caliper and also applied… …   Universalium

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

• Combination square — with standard head A Combination Square consisting of the rul …   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

• Marking out — For other uses, see Marking out (disambiguation). Marking out or layout is the process of transferring a design or pattern to a workpiece, as the first step in the manufacturing process. It is performed in many industries or hobbies although in… …   Wikipedia

• compass — Synonyms and related words: Gyrosin compass, Johansson block, RDF, T square, accept, accomplish, achieve, acquire, aesthetic distance, alentours, ambience, ambit, amount, annex, attain, beleaguer, beset, besiege, blockade, border line,… …   Moby Thesaurus

• gauge — Synonyms and related words: Johansson block, T square, adjust, amount, amplitude, appraise, appreciate, area, assay, assess, barometer, basis, benchmark, bigness, body, breadth, bulk, calculate, caliber, calibrate, caliper, calipers, call, canon …   Moby Thesaurus

• Navigation — This article is about determination of position and direction on or above the surface of the earth. For other uses, see Navigation (disambiguation). Table of geography, hydrography, and navigation, from the 1728 Cyclopaedia. Navigation is the… …   Wikipedia