May 29, 1913. 



The Florists' Review 



95 



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4i 



The Superior boiler 

 has them all beat for 

 greenhouse heating" 



is what the growers all 

 say who are using them. 



WRITE FOR PARTICULAWS 



Superior Machine & Boiler Works 



840-850 W. Superior Street 



CHICAGO 



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be placed in the cellar of the dwelling 

 house and a flow be taken from the top 

 of the boiler and then dropped so as 

 to travel underground to the greenhouse 

 and rise again and serve the piping in- 

 side? Would the returns occupy the 

 same trench and what relation in depth 

 to the flows would they have? I only 

 use the greenhouse in the early spring 

 months, for early annuals, and would 

 not need a high temperature, say 50 de- 

 grees at night, in this New York 

 elimate. .T. O. S. 



The letler is not clear regarding the 



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depth of the cellar or the amount of 

 slope toward the greenhouse, but if the 

 top of the heater will stand ono foot 

 below the ground outside and the lowest 

 part of the returns are higher than the 

 top of the heater, it would appear that 

 there would be no diflBculty in securing 

 a circulation. I would run the flow pipe 

 downhill, and would also be sure that 

 the return pipes have a similar fall. 

 Between the dwelling and the green- 

 house the pipes should be covered with 

 asbestos packing and run through sewer 



IMPROVED RETURN TUBULAR 

 FIREBOX BOILER 



Johnston Heating Co. 



131 E. 26th St., New York City 



BOILER FLUES 



r I I I . ■ 11=^ 



We make a specialty of handllni; carefully selected 

 Boiler Flues, 4-Inch diameter and other sizes for 

 greenhouse plplnit. Gutter Posts, etc. Also, we 

 make a specialty of flues for retublnjr boilers. All 

 flues are thoroughly cleaned and trimmed, ready 

 for use. Oeneral Sales Asents for Stuttle's Patent 

 Clamp and Elbow for joinin«r flues— no packing, no 

 leaks. New standard pipe and all kinds of green- 

 houso fittings. Right prices and prompt shipment. 



H. MUNSON 



1405 Wells St. Phone North 672 Chicaso 



pipes. The proposed radiation would 

 answer if a mercury circulator is at- 

 tached to the expansion pipe. 



The Eeview classified ads do the 

 work. — Myers & Co., Bluffton, Ind. 



