A wooden box with a bakelite top. On the bakelite there are three metal terminals. Underneath the terminals is a dial labeled “0”,”1″, “2”,”3″,”4″,”5″,”6″,”8″,”9″ and…
A 10cm (drum) horseshoe magnet mounted horizontally on tripod legs with leveling screws on the two front legs. The bar across the top of the…
A circular base, diameter of 14cm, with 2 metal rods inserted vertically. One rod has a cylinder block attached to it with a glass slit…
The instrument has a circular base, with 2 metal rods inserted vertically. One rod has a cylinder block attached to it with a glass slit…
A wooden base with a 24cm coil mounted to it with brass strips which attach to two wood brackets and then to the base. There…
A metal tube rises from a steel base. Near the bottom of the tube is a projection for attaching a gas line. Directly above the…
A metal tube rises from a steel base. Near the bottom of the tube is a projection for attaching a gas line. Directly above the…
A metal tube rises from a steel base. In the middle of the tube, the tube splits into two and then merges once again into…
A metal tube rises from a steel base, shaped like a shell; a projection immediately above the base serves as a gas line attachment; directly…
A metal tube rises from a steel base. At the base of the tube is a projection for attaching a gas line. Directly above this…