instrument for illustrating sound by means of light
Found on
http://phrontistery.info/o.html
• (n.) An instrument, consisting of a tube having one end open and the other end covered with a thin flexible membrance to the center of which is attached a small mirror. It is used for exhibiting upon a screen, by means of rays reflected from the mirror, the vibratory motions caused by sounds produced at the open end of the tube, as by speaki...
Found on
http://thinkexist.com/dictionary/meaning/opeidoscope/
<instrument, physics> An instrument, consisting of a tube having one end open and the other end covered with a thin flexible membrance to the center of which is attached a small mirror. It is used for exhibiting upon a screen, by means of rays reflected from the mirror, the vibratory motions caused by sounds produced at the open end of the tu...
Found on
http://www.encyclo.co.uk/local/20973
O·pei'do·scope noun [ Greek ..., ..., voice + ... form +
-scope .]
(Physics) An instrument, consisting of a tube having one end open and the other end covered with a thin flexible membrance to the center of which is attached a small mirror. It is used for exhibiting upon a screen, by means...
Found on
http://www.encyclo.co.uk/webster/O/22
An opeidoscope was an instrument, consisting of a tube having one end open and the other end covered with a thin flexible membrance to the center of which was attached a small mirror. It was used for displaying on a projection screen the vibratory motions caused by sounds produced at the open end of the tube - such as talking or singing - which it ...
Found on
http://www.probertencyclopaedia.com/browse/GO.HTM
opeidoscope An instrument invented by Prof. A. E. Dolbear (West Virginia), consisting of a tube closed at one end by a tense membrane, having attached to its center a small mirror, to show the musical vibration caused by speaking or singing at the open end.
Found on
http://www.wordinfo.info/words/index/info/view_unit/705/2
No exact match found.
