BELL No. 61A & 61B

Mains operated bell with a single 6" gong.  Operating mechanism was a single coil.

Bell No. 61A - 200/250v A.C. (7000 turns of 38swg wire with a resistance of 630-660 ohms).
Bell No. 61B - 200/250v D.C. (10,500 turns of 42swg wire with a resistance of 2360 ohms).

12" high by 5½" across.

Iron cased.

Introduced circa 1949.

Coloured Grey (BSS 381C, Colour 631).

Drawing - CD710 (dated 1949).

Specification - D1778.

Last revised: July 11, 2022