Bell Set No. 7, used on C.B.S. system No. 1
Bell Set No. 7, used on C.B.S. system No. 1
Details
- Category:
- Telecommunications
- Object Number:
- 1971-355
- type:
- bell - idiophone
- credit:
- Post Office Telecommunications Museum
Bell Set No. 7, used on C.B.S. system No. 1