Box: faded leather with silver hinge closure; marked on lid “CAPILLAR-ROTATOR” at center and “C. ZEISS JENA” in lower proper left corner. Box in poor…
Brass cylindrical case is mounted on a wooden base and capped by a brown insulator and brass disc. The base also has 4 brass plates…
An elongated horseshoe magnet is mounted on a vertical wood backing. The magnet is protected with a modern plexiglass case (later addition – not shown…