. Florists' review [microform]. Floriculture. Johnston Heating Co. 131 B. 26th St., New York City Mention Tbe Review waen yoa write. at times of 20 below zero? The house runs north and south and the north end is boarded up. We use hot water. E. C. 8. To heat the house described use five 21^-inch flow pipes and twenty 2-inch returns. One flow can be upon each plate and the others under the ridge and two of the purlins. Place four re- turt^s on epich , if soliJl^erlH ar. A Steady Pressure will always be main- tained in Toar steam pipes, no matter how the pressure at the boiler fluctuates


. Florists' review [microform]. Floriculture. Johnston Heating Co. 131 B. 26th St., New York City Mention Tbe Review waen yoa write. at times of 20 below zero? The house runs north and south and the north end is boarded up. We use hot water. E. C. 8. To heat the house described use five 21^-inch flow pipes and twenty 2-inch returns. One flow can be upon each plate and the others under the ridge and two of the purlins. Place four re- turt^s on epich , if soliJl^erlH ar. A Steady Pressure will always be main- tained in Toar steam pipes, no matter how the pressure at the boiler fluctuates, if you equip your main lines with these valves. Carry 40 or 50 pounds pressure on the boiler, set the Hughson Regulating Valve to carry 5 or 10 pounds on the line and you will always have a reserve in case of a sudden drop in temperature. This valve saves both fuel and worry. Ask for catalogue and particularB. Highsin Steam Specialty Ci. 5021-S S. Sute St. CUci|i MentloD The Review wben you write. used, run two pipes on each side of three of the walks, or place them under-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Chicago : Florists' Pub. Co


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