What is tympan?

  • (noun): A musical percussion instrument; usually consists of a hollow cylinder with a membrane stretch across each end.
    Synonyms: drum, membranophone

Tympan

Tympan means skin, and is used in a variety of technical meanings.

Read more about Tympan.

Some articles on tympan:

Astrolabe - Construction
... of a disk, called the mater (mother), which is deep enough to hold one or more flat plates called tympans, or climates ... A tympan is made for a specific latitude and is engraved with a stereographic projection of circles denoting azimuth and altitude and representing the portion of the celestial sphere ... Above the mater and tympan, the rete, a framework bearing a projection of the ecliptic plane and several pointers indicating the positions of the brightest stars, is free to rotate ...
Tympan
... Tympan means skin, and is used in a variety of technical meanings ... Astrolabes In an astrolabe, a tympan is a metal plate on which the coordinates of the celestial sphere (azimuth and altitude) are engraved in a stereographic projection ... A tympan is specific to a particular latitude, so most astrolabes come with a set of interchangeable tympans suitable for use at different latitudes, usually those of particular cities of importance (Cairo ...