resonant vibration machine
11Guitar — Infobox Instrument name=Guitar names= classification=String instrument (plucked, nylon stringed guitars usually played with fingerpicking, and steel , etc. usually with a pick.) range= (a regularly tuned guitar) related=*Bowed and plucked string… …
12Piano — Pianoforte redirects here. For earlier versions of the instrument, see Fortepiano. For other uses of Piano, see Piano (disambiguation). Piano Bösendorfer grand piano Keyboard instrument …
13Microphone — For the indie film, see Microphone (film). Microphones redirects here. For the indie band, see The Microphones. A …
14Loudspeaker — For other uses, see Loudspeaker (disambiguation). An inexpensive, low fidelity 3½ inch speaker, typically found in small radios …
15List of Tesla patents — Below is a list of Tesla patents. Dr. Nikola Tesla was an inventor who obtained around 300 patents [Snezana Sarbo, [http://www.tesla symp06.org/papers/Tesla Symp06 Sarboh.pdfNikola Tesla s Patents] , Sixth International Symposium Nikola Tesla,… …
16Moving parts — This article is about machinery and engineering. For the rock band, see Moving Parts. For the musical album, see Fewer Moving Parts. some of the moving parts of an automobile engine The moving parts of a machine are those parts of it that move.… …
17Measuring instrument — Captain Nemo and Professor Aronnax contemplating measuring instruments in Twenty Thousand Leagues Under the Sea …
18P-90 — For other uses, see P90 (disambiguation). P 90 Manufacturer Gibson Period 1946–1957, reissues since 1968 …
19LASERS — Les lasers (le mot «laser» est formé des initiales des mots anglais light amplification by stimulated emission of radiations , signifiant: amplification de lumière par émission stimulée de rayonnement) sont des sources nouvelles de rayonnement,… …
20Classical guitar — A modern classical guitar from the front and side String instrument Hornbostel–Sachs classification 321.322 5 (Composite chordophone sounded by the bare fingers or …
