As antiquarian booksellers we specialize in selling and buying rare and important books and prints in the history of science and medicine, with a focus on those listed in Carter/Muir's Printing and the Mind of Man, Dibner's Heralds of Science, or Horblit's One Hundred Books famous in Science.

GeoPlatform UG is the comany behind MetBase, the leading online Meteorite Information System and Bibliography of Meteorites and Planetary Sciences. Database and user interface has been tailored to the needs of both collection curators and researchers working in the field of meteoritics, impact cratering or planetary geology/space sciences. MetBase provides the information scientists need to enhance their research and education in meteoritics and related disciplines. Easy access to meteorite basic information, analysis data, repositories, images and literature on meteoritics and planetary sciences makes the software most useful as a daily tool. The database behind MetBase holds the world's largest compilation of meteorite data. MetBase's bibliography of meteoritics and planetary sciences is the most comprehensive compilation with presently more than 90,000 keyword- and object-indexed references to articles, abstracts, books, catalogues, and special publications on meteorites, lunar rocks,meteors, impact cratering, tektites, martian geology, asteroids, exobiology and origin of the solar system, published between 1492 and today.

microfab belongs to one of the leading MEMS Foundries worldwide. Our company provides fabrication services and development ressources in the field of MEMS and micromechanics for applications like automotive, communication, or medical. microfab offers specialized, silicon wafer based MEMS process technologies and a wide range of modular options, as well as technical guidance and extensive design support.