This is a black metal box with perforations on the sides. The bottom of the box has four ceramic feet to stand on. The top…
A black metal box with an eyepiece on one end. On either side of the box are equally-sized holes. There is a gap between the…
A black metal box with perforated sides and a solid top. Three wooden knobs and one metal switch are attached to the top of the…
A black metal box with a wooden top supported by four pegs, rising 4 cm above the rest of the box. On one side is…
This is a 3 inch long metal bar with somewhat beveled ends.
A 6′ metal bar, with slightly beveled ends.
This is a 12 inch long metal bar, with slightly beveled ends.
This is a small metal weight with a knob on the top.
A wooden box with a bakelite top. On the bakelite there are 4 plastic covered terminals with “L” between the left two terminals and “G”…
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…