Title
spark gap
Identifier
ABDNP:200495a
Description
two nickel (?) balls mounted on insulating rods affixed to a wooden base. Connection is made to the balls by plug in brass connectors, the connecting wires have been cut off. Mounted on a rectangular wooden base with four rubber feet, one ball can be moved by a long brass adjusting screw with thumbnut
Format
400mm x 120mm x 360mm high
nickel, wood, brass, rubber, insulating material
Coverage
Aberdeen
Creator
Fraser & McKay Scientific Instrument Makers