2012-02-072012-02-07About 18752012-02-07http://hdl.handle.net/2152.3/444Similar in design to Oberhaeuser instruments with horseshoe foot, the microscope is supported by a round pillar attached to square stage. The body-tube moves by rack and pinion and is connected to the limb by a solid brass arm. The substage Abbe condenser swings on an axis. No carrying case and accessories. Signed on the tube: Dr. E. Hartnack Potsdam.enOpticsMicroscopyGerman FirmsBiology