TELEGRAPH DEPARTMENT

RULES AND REGULATIONS
1st OCTOBER, 1899

This Document is the property of the London and North Western Railway Company, and is not to be shewn to Persons unconnected with the Company.

SINGLE NEEDLE ALPHABET

CODE TIME

1. The code for the time a message is handed in for transmission is obtained by the letters A to M not including J), - and the letters R S W X for the four intermediate minutes between each period of five minutes, which can readily be ascertained from the diagram below:-

The letters inside the circle represent the hour, and those outside the circle the minutes past the hour.

To find any Code Time.- First, take the letter for the hour which will be the one exactly opposite, or immediately  behind, the small pointer; then, the letter for the periods of five minutes past the hour, which can be found in a similar manner from the large pointer; adding  one  of the letters (R S W or X) for the minute between the period of five minutes, according to the exact position of the large pointer.

T he Diagram shews 3.59; Code time CLX
4.0 o'clock would be D
4.3   o'clock would be DW
4.9 o'clock would be DAX
9.45  o'clock would be II
12.0  o'clock would be M

2. The "Time Code" is only to be used for signalling the  code time of messages.

TIME CURRENT

3. (a) The correct time must be signalled from Euston daily (except Sundays) at 10.0 am., and transmitted throughout the system.

(b) Every Transmitting Station must take great care to signal the time forward.

(c) At two minutes before 10 o'clock the word "time" must be signalled, then the needle held over to E, and at 10.0 a.am., the word "TEN" signalled thus:- /     \        /  \

(d) Signal Boxes and Offices, not possessing Single Needle Speaking Instruments will get the time signalled on the Block or Telephone bell, 18 strokes thus :-8-5-5, as per Block Instructions.

LNWR Telegraph Department, Rules and Regulations, 1st October 1899

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