Telephone Set Lecture Pattern
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.
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore
Copyright © 2025 Build Bench. All Right Reserved.
