CLOCK No. 13


P.O. ENGINEERING DEPT.
ENGINEERING INSTRUCTIONS
MISCELLANEOUS
TIME
B 1124
Issue 3, 23.6.59

MECHANICAL CLOCKS
Clock No.13

1. General
Clock No. 13 is now obsolete and is superseded by Clock No. 1 with Brackets, Clock, Nos. 1 and 2, or 3.  The clock is used on trunk exchange switchboards.

2. Description
Clock No. 13 is an 8-day, seconds indicating, spring-driven, lever-movement timepiece with a 3in. dial.  The movement is housed in a circular polished-nickel case.

3. Mounting
The clock is mounted by means of the bayonet-jointed and locked angular metal case, which normally forms part of the clock.

4. Winding
The clock should first be unlocked and removed from its mounting case. It can then be wound by means of the small handle projecting from the back of the movement.

Overall diameter - 3.3in.
Diameter of dial - 3in.
Depth (back to front) - 2.75in.

 

 
 
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Last revised: December 31, 2021

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