The G75/3G is a gas filled voltage stabiliser with a working voltage of 75 Volts. It is fitted with flying leads for wiring permanently into a circuit.
The base with foam protection ring.
The base with four wire leads. The leads look to be copper with a protective plating further from the base.
The wide glass tube envelope is 28 mm in diameter, and excluding the base wires is 65 mm tall.
Reference: Data-sheet. Type G75/3G was first introduced in 1958. See also1958 adverts.
