CO129-426 - Public Offices - 1915 — Page 71

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run an overhead line from either Y or X rather than

break the cable at this point.

11.

In paragraph 8 of the Director's report both

Telegraph and Fire Alarm systems are referred to, but

no points are raised in regard to these which appear to

oall for comment from us. We presume the Telegraph and

Fire Alarm wires will be carried in the same cables as

the Telephone wires, and to this there is no objection.

To keep down inductive effects on the Telephone oircuits

it is, however, advisable wherever possible to use a

metallic circuit for each Telegraph and Fire Alarm line.

To assume that the Telegraph earths at the far end of

the cables shewn in sections G and F are for this purpose.

12. It is noted that in the event of the proposed

scheme being adopted it is intended to fit up the ex-

change and carry out sections C, D and J only at the

outset. In this case special provision will have to be

made for pole distributing boxes, for the overhead wirca

which will run temporarily from points R.T. and Z.

Neither of these

13. Pegarding items 73 and 74 in our 11st, wo

enclose Post Office drawings EC.919, 921, 922 and 933

illustrating the use of the pothead leading in insulator (item 72) together with a sample of the lead covered

leading-in twin cable, (item 74).

items is included in the statement received from the

Colony, and we bring them to notice as for their particu- lar purposes they are now generally used in this country

and in several of the Colonies.

14.

With regard to the costs eat imat ed in statement

B.