BELLSET No 6 | |||||||
Wooden
cased Bellset used with Telephone No. 4 on CBS No 1, Plan 1 systems (1
simple extension). Bellset includes (1928):- Mark 235 has a Bell No. 56A fitted internally with the bell gong positioned outside of the casing. Made obsolete in 1947. Circuit diagram - N 506. Drawing - 1658 (Mark 236)
Picture dated 1929
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Last revised: October 04, 2023FM |