CLOCK No. 1

P.O. ENGINEERING DEPT.
ENGINEERING INSTRUCTIONS
MISCELLANEOUS
TIME
B 1121
Issue 1, Oct 1938

MECHANICAL CLOCKS
Clock No. 1

1. Description
Clock No. 1 supersedes Clock No. 13 and is an 8-day, seconds indicating, spring driven, lever-movement timepiece with a 5in. dial.

The movement is housed in a circular polished nickel case, with side trunnions for mounting on Brackets, Clock Nos. 1 and 2, or 3 (Drawing P/T 81). It is suitable for small manual telephone exchanges.

2. Winding and regulating
A Key, Clock No. 1 is supplied with each clock for the purpose of winding and regulating the hands. To perform these operations it may be necessary to remove the clock from the mounting brackets, if access to the winding and hands arbor is from the back.

Overall diameter - 6in.
Diameter of dial - 5in.
Depth (back to front) - 4in.

Drawings - 8462 and P/T1.

Additional Pictures