MOTBIIBBB 14, 1912. 



The Florists' Review 



119 



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IKONIO, :'-'ri>JrW\TEI!"r 





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IMICO 



HOT WATER BOILERS 



ESPECIALLY SUITED FOR 

 GREENHOUSE WORK 



are noted for coal economy 

 and good results generally. 



Are constructed so as to 

 expose the greatest possible 

 heating surface to the di- 

 rect action of the fire, there- 

 by effecting a considerable 

 saving of fuel. 



■ iafrT^*""-' ' " 



Wrought Iron and Steel FYpe, Malleable and Cast Iron 



Fittings carried In stock 



IF VOU 

 BEST SPECIFY 



m 



WANT THE 

 THIS BRAND 



ILLINOIS MALLEABLE IRON CO., 1801-25 Diversey Parkway, CHICAGO, ILL. 



Mention Ttie Review wben you write. 



IMPROVED RETURN TUBULAR 

 FIREBOX BOILER 



Johnston Heatlns: Co. 



131 B. 26tli St., Naw York CItjr 



Mention The Review when you write 



it feeds one 3-inch flow along the north 

 side and one 4-inch flow along the east 

 end of the house; then it enters the 

 11-foot house, returns to the 23-foot 

 house and feeds eight 1 Ms-inch returns. 

 How many runs of 2-inch pipe should 

 be needed to heat the 11-foot house to 

 40 degrees when the outside tempera- 

 ture is slightly below zero I All of the 

 coils empty into a 3-inch return, and 

 the 3-inch enters a 6-inch that leads to 

 the boiler. Last winter I fed the coils 

 with two 2-inch overhead flows, but I 



RETURN TRAPS 



will add to the ef- 

 ficiency of Your 

 Heating System 

 and Reduce Your 

 Coal Bills. 



To keep steam coils 

 drained of condensation 

 leaves full area of pipes 

 for the transmission 

 of he?,t— rhence more 

 efficient heating sys- 

 tem. To automatically return that con- 

 densation directly to the boiler before its valuable heat is lost 

 makes for a more efficient boiler. "Detroit" Traps do both. 

 Bulletin No. 326-WF tells how it is done. Yours upon request. 



American BlowerGompany 



. DETROIT. MICM. ■ 



U. S. A. 



Canadian Sirocco Company, Limited, Windsor, Ontario. Manufacturers for Canada. 



Mention The Reylew when you write. 



changed these to two 3-inch flows under 

 the benches. The 6-inch, 3-inch and 

 4-inch flows are all four or five inches 

 above the returns. However, since 1 



made the change the same boiler does 

 not heat the water so hot or so quickly 

 as when there were only two 2-inch 

 flows and two 2-inch returns. Can you 



