ID:
2289
Maker's Name:
IT&T
Where made:
USA
Dimensions:
18.5 × 1.4 × 1.4 cm
The glass tube contains approximately 150 discs with plated brass end-caps, designed to be mounted in a tool clip holder.
It is a half-wave rectifier, of unknown voltage rating, but low current, with positive polarity marked with red paint at one end.