seismograph rod
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seismograph — seismographic /suyz meuh graf ik, suys /, seismographical, adj. /suyz meuh graf , grahf , suys /, n. any of various instruments for measuring and recording the vibrations of earthquakes. [1855 60; SEISMO + GRAPH] * * * Introduction… … Universalium
Zhang Heng — For other uses, see Zhang Heng (disambiguation). This is a Chinese name; the family name is Zhang. Zhang Heng (張衡) Born … 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
List of inventors — This is a list of inventors. See also: List of scientists, Timeline of invention, List of inventions named after people, List of inventors killed by their own inventions, and . Alphabetical list compactTOC NOTOC A * Vitaly Mikhaylovich Abalakov,… … Wikipedia
Ohio — This article is about the U.S. state of Ohio. For other uses, see Ohio (disambiguation). State of Ohio … Wikipedia
Surface wave — Diving grebe creates surface waves In physics, a surface wave is a mechanical wave that propagates along the interface between differing media, usually two fluids with different densities. A surface wave can also be an electromagnetic wave guided … Wikipedia
What the Ancients Did for Us — Infobox Television show name = What the Ancients Did for Us caption = aka = genre = Documentary creator = writer = director = creat director = developer = presenter = nowrap beginAdam Hart Davis·wrap Hermione Cockburn·wrap Jamie Darling·wrap… … Wikipedia
literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… … Universalium
Vatican Observatory — • Gregory XIII ordered a tower to be erected in a convenient part of the Vatican buildings, and to be fitted out with the greatest and best instruments of the time Catholic Encyclopedia. Kevin Knight. 2006. Vatican Observatory … Catholic encyclopedia
List of Russian people — The Millennium of Russia monument in Veliky Novgorod, featuring the statues and reliefs of the most celebrated people in the first 1000 years of Russian history … Wikipedia
instrument — Synonyms and related words: Bourdon tube, Charlie McCarthy, Danish balance, Federal, Gramophone, Gyropilot, Mach meter, Roman balance, Teletype, Weightometer, X ray machine, absolute altimeter, accelerometer, adapt, aerial reconnaissance camera,… … Moby Thesaurus
