WATERWORKS INSURANCE COMMITTEE MEETING.

WATERWORKS INSURANCE COMMITTEE MEETING.

At a meeting of the American Water Works association insurance committee, held last week in conjunction with the National Underwriters’ association committee, Mr. J. A. Tilden presented a device which is to be known to the trade as the “Hersey Detector Meter.” Its object is fairly indicated by its name—viz., that it will measure accurately all drafts, say, up to 150 gallons per minute, and that it will detect and exhibit whether or not any additional quantity in excess of the 150 gallons per minute has passed the device. Broadly stated: This Detector meter consists of a detector on the main fire line and a meter on a by-pass round the detector. There is nothing on the main fire line except the detector—a device which possesses no appreciable resistance, but, on the other hand, always presents an unrestricted waterway for use in case of fire. What the detector does is, first, to cause all drafts up to about 150 gallons per minute to go round through the by-pass meter, where they are all measured; second, to give a positive indication that, while this is going on, no water is passing through the fire line; third, to give a positive indication, if the draft exceeds 150 gallons per minute, just how long such an excess has been going on. It may even he made to indicate just when it took place. The device is absolutely without objection from the underwriters’ point of view and seems to he equally satisfactory from the waterworks’ standpoint. It must be remembered in this connection that this device is designed to be used on a class of service where it would be unlawful to use any water whatever, except 111 case of fire. It would, therefore, seem abundantly to fill the chief requirements which appear to exist for a device that will accurately meter all leaks or ordinary small drafts other than fire: that will give an unrestricted waterway for use in case of fire: and that will detect and show if water has been used iu very large quantities, say, in excess of 150 gallons per minute.

PUMPING STATION, RICHMOND, IND.

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