(Encyclopedia) Fournier, Pierre SimonFournier, Pierre Simonpyĕr sēmôNˈ f&oomacr;rnyāˈ [key], 1712–68, Parisian type founder. Fournier devised the first point system for measuring and naming sizes…
(Encyclopedia) hourglass, glass instrument for measuring time, usually consisting of two bulbs united by a narrow neck. One bulb is filled with fine sand that runs through the neck into the other…
(Encyclopedia) Clairaut, Alexis ClaudeClairaut, Alexis Claudeälĕksĕsˈ klōd klĕrōˈ [key], 1713–65, French mathematician. He assisted P. L. M. de Maupertuis in measuring (1736) a degree of an arc of a…
(Encyclopedia) Pregl, FritzPregl, Fritzfrĭts prāˈgəl [key], 1869–1930, Austrian physiologist and chemist, M.D. Univ. of Graz, 1894. He taught at the universities of Innsbruck (1910–13) and Graz (from…
(Encyclopedia) dynedynedīn [key], unit of force in the cgs system of units, which is based on the metric system; an acceleration of 1 centimeter per second per second is produced when a force of 1…
(Encyclopedia) ergergûrg [key], unit of work or energy in the cgs system of units, which is based on the metric system; it is the work done or energy expended by a force of 1 dyne acting through a…
(Encyclopedia) Taipei 101, skyscraper in the Hsinyi dist., Taipei, Taiwan; also known as the Taipei Financial Center. With 101 floors and reaching 1,667 ft (508 m) high, Taipei 101 became the world's…
(Encyclopedia) spectrophotometer, instrument for measuring and comparing the intensities of common spectral lines in the spectra of two different sources of light. See photometry; spectroscope;…
(Encyclopedia)
CE5
Galvanometer
galvanometergalvanometergălˌvənŏmˈətər [key], instrument used to determine the presence, direction, and strength of an electric current in a conductor. All…
(Encyclopedia) Laue, Max vonLaue, Max vonmäks fən louˈə [key], 1879–1960, German physicist, studied under Max Planck. From 1919 he was professor of theoretical physics at the Univ. of Berlin. He…
