- vibrating needle
- aiguille vibrante f
Dictionary of Engineering, architecture and construction – materials & technologies, 2nd edition, la Maison du dictionnaire. 2007.
Dictionary of Engineering, architecture and construction – materials & technologies, 2nd edition, la Maison du dictionnaire. 2007.
acoustic gramophone — noun an antique record player; the sound of the vibrating needle is amplified acoustically • Syn: ↑gramophone • Hypernyms: ↑record player, ↑phonograph • Hyponyms: ↑Victrola … Useful english dictionary
sound box — noun 1. : a device in an acoustic phonograph using vibrating needle and thin diaphragm to convert phonograph record groove undulations into sound which is then amplified in a horn 2. : a hollow chamber in a musical instrument for increasing its… … Useful english dictionary
Invention of the telephone — The modern telephone is the result of work done by many people, all worthy of recognition of their contributions to the field. Alexander Graham Bell was the first to patent the telephone, an apparatus for transmitting vocal or other sounds… … Wikipedia
Sewing machine — Elias Howe s lockstitch machine, invented 1845 A sewing machine is a textile machine used to stitch fabric, cards and other material together with thread. Sewing machines were invented during the first Industrial Revolution to decrease the amount … Wikipedia
Mechanical filter — Figure 1. A mechanical filter made by the Kokusai Electric Company intended for selecting the narrow 2 kHz bandwidth signals in SSB radio receivers. It operates at 455 kHz, a common IF for these receivers, and is dimensioned 45×15×15 mm ( … Wikipedia
Water microphone — A water microphone or water transmitter is based on Ohm s law that current in a wire varies inversely with the resistance of the circuit. The sound waves from a human voice cause a diaphragm to vibrate which causes a needle or rod to vibrate up… … Wikipedia
test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… … Medical dictionary
Vibrator (mechanical) — A vibrator is a mechanical device that is designed to generate vibrations. The vibration is often generated by an electric motor with an unbalanced mass on its driveshaft. If the motor is switched on, the rotating weight resonates.There are many… … Wikipedia
Johann Philipp Reis — (January 7, 1834 ndash; January 14, 1874) was a self taught German scientist and inventor who in 1860 1 constructed an early telephone, today called the Reis telephone. He first publicly demonstrated it on October 26 1861.Early life and… … Wikipedia
Auditing (Scientology) — Auditing was developed by L. Ron Hubbard, and is described by the Church of Scientology as spiritual counseling which is the central practice of Dianetics and Scientology . [http://faq.scientology.org/page02b.htm What is auditing? The President… … Wikipedia
Partnair Flight 394 — A Partnair Convair 580, similar to LN PAA Occurrence summary Date 8 September 1989 … Wikipedia