This is one of the standard half minute pulse clocks at present used by the
PO. The movements are described in B 1311.CLOCK No. 6
General purpose wall mounted clock. Now superseded by Clocks No. 78A.
CLOCK No. 6
PO ENGINEERING INSTRUCTIONS
MISCELLANEOUS
TIME
B 1321
Issue 5, Oct 1970
CLASS A (PULSE) CLOCKS
This is one of the standard half minute pulse clocks at present used by the
PO. The movements are described in B 1311.
CLOCK No. 6
General purpose wall mounted clock. Now superseded by Clocks No.
78A.
Drawing P/T 26.
| No. | Overall dia. | Dia. of dial | Depth (back to front) |
| 6 | 22 in | 18 in | 3 in |
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