Blue links lead to the fully translated html versions of the page, purple links lead to pages whose start pages (as well as introductions and tables of contents at least) are already set up, green links lead to extern sites, grey means that no file is available yet).
/Notes in this color and between two / are from the operator of the German mirror site and translator/.
Technical drawing which shows the design of an inertial replica of the instrument discussed here. (Note, however, that it has never been possible to build a working prototype that would work on this "inertial principle". Thus, the above design is purely hypothetical and has never proven its ability to work.) The internal details have been highlighted.