. Florists' review [microform]. Floriculture. pPWSOB^pfP*lIIJll4I,.I»PV•J^ffV^II'j-Mfi"im% ;.Pp«^%ip_i'fmrrJl^.'^yijajTT!' The Florists^ Rcvkw OCIOBEB 3. Itl2. f ^HBl TO MAINTAIN AN EVEN TEMPERATURE in your greenhouses, use a ;js»(?" Foster Pressure Regulator >, : ? -sV^: Slow '**j»m" ?•. That's the class you want. Attach this simple device to the steam main just inside of your green- house and obtain the exact temperature desired by turning the adjusting nut "K" (see illustration) to the "right" for greater heat, to the "left" for less.
. Florists' review [microform]. Floriculture. pPWSOB^pfP*lIIJll4I,.I»PV•J^ffV^II'j-Mfi"im% ;.Pp«^%ip_i'fmrrJl^.'^yijajTT!' The Florists^ Rcvkw OCIOBEB 3. Itl2. f ^HBl TO MAINTAIN AN EVEN TEMPERATURE in your greenhouses, use a ;js»(?" Foster Pressure Regulator >, : ? -sV^: Slow '**j»m" ?•. That's the class you want. Attach this simple device to the steam main just inside of your green- house and obtain the exact temperature desired by turning the adjusting nut "K" (see illustration) to the "right" for greater heat, to the "left" for less. At whatever pressure the valve is "set," the pressure at all times will be absolutely constant. Sizes %-inch to 2-inch have composition bodies; larger sixes, to and including 10-inch, iron body, composition mounted. As an expert in your line, let us talk it over, as experts in ours. We recommend, we aid you in the selection of the proper size, and should you require higher pressure than. 15 lbs., the most suitable type of our other styles of Pressure Regulators would be recommended. "The Foster Pressure Regulators which have been installed in our greenhouses are giving perfect ; Peter Reinberg. Chicago. FOSl^ER ENGINEERING COMPANY v'r 5- PHILADELPHIA. PA., 508 Harrison Buildinjr BOSTON, MASS., 161 Summer Street NEWARK, NEW JERSEY CHICAGO, ILL., 180 North Dearborm Street PITTSBURGH, PA., 518 Park Buildins M. iifloD Ihr K»virw when von i»nT. twenty feet) to the farther end of the house, where they should be connected with the return coils. Except when a steam pump, trap or similar arrangement is used, it is neces- sary to have steam coils- from two to four feet above the water level of the boiler, and for small plants it is de- sirable to use a gravity system. For this reason hot water will be preferable to steam in the house described. PIFINa IN SOUTHERN TEXAS. Kindly inform me how many square feet of greenhouse space I can heat, with
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