MMI Corporation of Baltimore, MD USA has provided educational materials and equipment for Astronomy and Earth Science for the past 40 years. Included are: Portable planetariums, inflatable and fiberglass domes, observatory domes, audio-visual materials (CD Roms, DVDs, etc.) teaching aids, celestial and terrestrial globes, models, murals, 35mm slides and books, much not available elsewhere. Please visit our web site and web store at www.mmicorporation.com. Products include MMI, GENESIS, CANOPUS and COSMODYSSEY planetarium projectors and domes, POLARIS observatory domes, BLUE PLANET globe, GEOCHRON time indicators, REPLOGLE globes, among others We are a major supplier of portable planetariums and observatory domes. Tel: 001 410 366 1222 Fax: 001 410 366 631