Description
Telephone Set Lecture Pattern
Set of two vertical units, each unit consists of a microphone, a receiver, bell and transformer, with visible wiring connections. Workable with 4- 6 V d.c.
Telephone Set Lecture Pattern
Set of two vertical units, each unit consists of a microphone, a receiver, bell and transformer, with visible wiring connections. Workable with 4- 6 V d.c.
Reviews
There are no reviews yet.