Heating and ventilating buildings : a manual for heating engineers and architects . Fig. 145.—Register Gauge-cock. show water. Both try-cocks and gauge-glasses should usuallybe put on boilers, so that the reading as shown in the water-gauge glass can be checked from time to time. This is neces-sary, because if dirt should get in the angle-valves or passages SETTINGS AND APPLIANCES. 183 leading to the gauge-glass the determination would be inac-curate. Water-columns attached to the boiler by large pipes, bothabove and below the water-line, and fitted with try-cocks andwater-gauge as shown in Fi
Heating and ventilating buildings : a manual for heating engineers and architects . Fig. 145.—Register Gauge-cock. show water. Both try-cocks and gauge-glasses should usuallybe put on boilers, so that the reading as shown in the water-gauge glass can be checked from time to time. This is neces-sary, because if dirt should get in the angle-valves or passages SETTINGS AND APPLIANCES. 183 leading to the gauge-glass the determination would be inac-curate. Water-columns attached to the boiler by large pipes, bothabove and below the water-line, and fitted with try-cocks andwater-gauge as shown in Fig. 146, are often provided. Thesecolumns frequently contain floats (Fig. 147), so arranged thatsteam is admitted into a small whistle if the water falls belowor rises above the required limits, and thus gives an
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1910
