Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 182
Fig ,. 120. Automatic Float-OperatedPump Governor Used insteadof a Receiver. … Fig. 131. Pump Regulator Placed at Sufficient Height to Raise Water-Line to Point Desired. process is repeated. In order to work satisfactorily, the trap shouldbe placed at least 3 feet above the water-level in the boiler, and the 143 134 HEATING AND VENTILATION
Architecture · Building · Carpentry
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