The Edson Pressure Recording Gauge.

The Edson Pressure Recording Gauge.

Jarvis B. Edson cf 87 Liberty street. New York, the sole manufacturer of the well-known pressure-recording gauges bearing his name, and which are so extensively used by the leading water-works in this country, Canaria and abroad, has just received an order for one of his latest and most improved styles of pressure-recorders from the Superior Water, Light and Power Company, West Superior, Wis., this making their fifth order. This company, like many more water-works companies, have their Edson recorders attached to their steam boilers as well as on their water mains, feeling that a record of their steam pressure is quite as essential as a record of the pressure on their water mains. From the general adoption of these valuable instruments, which have been the recognized standard in their particular line for the last twenty years, and in general use all over the world, it would seem that there is a great amount of truth in the editorial remark recently made by a leading engineering journal, viz., “It is one of the essentials that often saves enough to pay the dividend.” The Edson recorder has become such an essential feature of a modern water-works plant, its great value, both from an economical as well as a monitorial standpoint being universally acknowledged, that they are generally included in the specifications for pumping systems ; or if not, invariably find their way there, because no superintendent or manager of a water-works can conservatively manage his plant without the information produced by an Edson recorder, and otherwise unobtainable.

Over 2,000,000 postal cards are necessary to meet the daily demands in this country.

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