CLOCKS No's 8 & 20

P.O. ENGINEERING DEPT.
ENGINEERING INSTRUCTIONS
MISCELLANEOUS
TIME
B 1321
Issue 4, Aug 1960

ELECTRICAL CLOCKS - PULSE TYPE
Clock No's 8 & 20

Wall clocks similar to Clock No's 6 & 58A.  These are part of the standard half minute clock range.

Clock No. 8 is a general purpose unglazed clock with a case of polished mahogany.

Clock No. 20, which is weatherproof, is used in exposed positions and has a painted wood or metal case.

Clocks No's 8 & 20 are superseded by Clock No. 6
 

Diagram - GMT14.

Drawing - 7586.

Clock No. 20

Clock No. 8 mechansim

Last revised: January 16, 2025