A slide distributor is disclosed for transferring analysis slides between a plurality of modular elements in a chemical analyzer. The distributor comprises a rotor having a plurality of radial arms each of which has a slide holder adapted to receive an analysis slide and to transport the slide to a selected...http://www.google.ca/patents/US4296070?utm_source=gb-gplus-sharePatent US4296070 - Slide distributor for a chemical analyzer
