May 16, 1912. 



The Weekly Florists^ Review^ 



117 



IT'S BETTER 



to clean flues than to pay out good money for new boilers. We admit that to get the best service 

 from our boilers you have to keep them clean— .there are more flues, and that means more work, 



But— MORE FLUES giv^MORE HEAT 

 MORE FLUES require LESS FUEL 

 MORE FLUES give BETTER SERVICE 



MADE IN 

 9 SIZES 



YOU CAN CLEAN A 



Superior Standard Greenhouse Boiler 



WITHOUT GETTING INSIDE 



It's built to make cleaning easy, and when you get through you know it has been thoroughly 

 done, because it's so easy to get at. This easy and perfect cleaning practically doubles the life of 

 Superior Boilers, and the many flues increase the service from each ton of coal ueed. 



C.We have many letters from satisfied florists to prove 

 these facts. Write for catalogue and further particulars 



Superior Machine & Boiler Worlts, r.l^"' Cfiicago 



Mention The Review when vou write. 



IMPROVBD RETURN TUBULAR 

 PIRBBOX BOILER 



Johnston Heating Co. 



121 B. 26th St., N«w York City 



Mention The Review when Toa write 



passes through a coil in an enclosed 

 tank, the water surrounding the coil. 

 The steam in the coil imparts its heat 

 to the -water, which in turn leaves the 

 tanks, circulates through the pipes, re- 

 turning to the tank to be again heated. 

 There are two other methods useu to 

 circulate the water other tha/ahj the 

 gravity method. One is/to have an 

 accelerator connected to the mains. 

 This device is simply a propeller turned 

 by an engine of some kind. The pro- 

 peller hastens the speed at which the 

 water circulates, helps it over many de- 



There Is a Splendid Chapter on 



Greenhouse Heating 



in The Florists' Manual 



By WILLIAM SCOTT 



A complete reference book for commercial florists. 253 large pages, 

 fully illustrated. Treats on Over 200 subjects collcerning greenhouse Duild- 

 ing, heating, management, and plant culture. It tells you just what yoo 

 want to know, in just the way yoa want to be told. 



Second Edition, Price $6.00, Prepaid by Kxpremu ot IfialL 



FLORISTS' PUBLISHING CO. 



508 S. Dearborn St. CHICAGO 



DO TOU KHOW ABOUT THK 



artin Rocking Grate 



IT SAVES COAL 



RUN GRATE CO.,'" I A'c'i&? **^ 



Mention The Review when you write. 



clivities and returns it at a higher tem- 

 perature to the boiler. The other 

 method is what is known as forced cir- 

 culation. This method requires the 



50 9^0 SAVED 



Pipes, Flues 



and casing thoroosbly overhauled and gaaran. 

 teed. Qreenhoose fittings of every descripUon. 



ILLINOIS PIPE ft MFG. CO. ^ 

 tll5 S. Jefferson Street. CHICAGO 



Mention The Bevlew when yoa writs. 



services of a pump of some kind. The 

 water is heated and then forced by the 

 pump through the pipes in the green- 

 house and back to the boiler. The pump 



V\. 



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