118 



The Florists' Review 



November 14, 1012. 



to MAlNtAINJVN EVEN TEMPERATURE 

 in your greenhouses, use a *» 



Foster Pressure 



- s 



Regulator 



•*/r'-,^i,., ; ,._ 



^M-J{A'^'i: 



'i^A-^- 



(lass 



t / 



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 ^ize^, 

 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 satisfaction." . Peter Reinbekg, Chicago. 



FOSTER ENGINEERING COMPANY 



PHIL\DELPHIA. PA.. 608 Harrison Building 

 BOSTON, MASS., 161 Summer Street 



NEWARK. NEW JERSEY 



CHICAGO, ILL.. 180 North Dearborn Street 

 PITBBBURQH, PA., 518 Park Building 



Mention The Uevlew when you write. 



the supply of gas to Kansas City. Ha- 

 worth expresses the view in his report 

 that a supply of natural gas sufficient 

 for the needs of the city is not possible 

 for longer than three or four years. It 

 is assumed that this opinion is based 

 on the productive capacity of the 

 known fields and those which, in his 

 judgment, are likely to be discovered. 

 This agitation of the question of a nat- 

 ural gas supply for domestic consump- 

 tion and for manufacturing in eastern 

 Kansas makes this region the center of 

 study of the problems of investment in 

 gas production and of the prevention 

 of waste of this fuel." 



TO CREATE A PBESSXTBE. 



"We have an elevated water tank, 

 about thirty-five or forty feet above 

 the level of the boiler, which is a 

 Kroeschell No. 5. Would it be advis- 

 able to connect to this tank through 

 our water system as an expansion tank, 

 or should we use a separate tankt The 

 water in this tank freezes over, but 

 the pipes leading to it are always open. 

 Would putting this much pressure on 

 the boiler be equal to the use of a 

 mercury generator, such as is often put 

 on hot water systems to create a pres- 

 sure! If we were to use a separate 

 tank, placed inside to avoid freezing, 

 we could place it only a few feet 

 higher than our heating pipes. 



C. L. J. & S. 



The Mesco $2.50 Thermostat 



RECOMMENDED PROM MAINE TO OREGON 



* * * More than pleased. Saves me many hours' rest. 



T. J. ALLE3N, Florist, Lewiston, Me. 



* * * A splendid, reasonably priced, worry-saving instrument. 



MRS. F. X, LEGRAND, Florist. Portland, Ore. 



Complat* Outfit, $2^0. Easy to put up. Raqulras no attontlon. Automat- 

 ically rinss boll whon tomporaturo bocomos dansorous. 

 Ordor now and atop worrylns- Circular. 



HANHATTAN ELECTRICAL SUPPLY CO., ''t.!;.!!':^*" 



Mention Tbe Bevlew when you write. 



If the pipes leading to the tank are 

 positively frostproof, the tank can be 

 used to good advantage as the expan- 

 sion tank for the heating system, pro- 

 Tided no more than two inches of ice 



forms in the tank. This would furnish 

 a pressure of probably fifteen pounds 

 on the coils and would make it possible 

 to raise the temperature of the water 

 quite a number of degrees, thus improv- 

 ing the circulation. While the effect 

 would be similar to that secured by 

 using a mercury generator, it would be 

 less marked. 



HEATS TOO SLOWLY. 



My boiler has a capacity of twelve 

 horse-power and holds three or four 



barrels of water. Will it heat two 

 houses, one of them 23x75, twelve feet 

 high to the ridge and five feet to the 

 gutters, and the other 11x75, eight feet 

 to the ridge and five feet to the gut- 

 ters? The gables are glass. The north 

 wall of the large house is boarded. The 

 south wall of the small house contains 

 eighteen inches of glass. 



The large house is heated with six- 

 teen 1%-inch pipes, eight on each side. 

 From the boiler dome a 6-inch flow 

 runs two feet inside the house, where 



