78137445
Jun 20, 2002
Dec 16, 2003
Educational software featuring photos, movies, images, games, lessons and activities in the Earth and Space services, namely, atmosphere, biosphere, cryosphire, geosphere, hydrosphere, weather, land, life, water, air, and space for use in museums, planetariums, schools, and home computers, weather, for use in homes, schools, and museums
Electrical and Scientific Apparatus