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. 68
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. 68A
A 9" clock for use with Bracket, Clock No. 9 on low switchboards. It has a circular, moulded
synthetic resin case, with a “Golden Beige” finish. Similar to Clock
No. 66A except that the clock case is recessed at the bottom to accommodate
the column of the bracket.
Superseded by Clock No. 74A with Bracket, Clock No. 74.
Drawing No. P/T 177.
| No. | Overall dia. | Dia. of dial | Depth (back to front) |
| 68A | 10.75 in | 9 in | 2.75 in |
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