Issue 10 and Volume 59.

QUESTIONS AND ANSWERS Readers of FIRE AND WATER ENGINEERING are invited to send in questions which will be answered in the order in which they are received. Signal System for Pumping Station. To the Editor: The following is a subject which I would like very much to have answered through your Questions and Answers column. Is it advisable to use box alarm circuits for sending in signals to pumping station? Let me make myself a little clear. We have non-interfering boxes of the Gamewell type and will suppose that a fire alarm is received at 2 p. m. After receiving the message over the ’phone, the operator at No. 1 station sends in a signal over box alarm circuit, such signal being 565—555. In the meantime a box is pulled, but the line being occupied by a water signal (which rings on gong and registers on tape in all stations),…

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