'■^7(Ty-'"Trv^"^VT^*f'*m<TP^r'*^'n'^s*r^ •/•"•"rTfT^;'^'-^ ":;"■, t^;:f^;T;n« 



October 3. 1912. 



The Florists' Review 



87 



An Even, Continuous Fire 



is essential fo flower culture. The 



magazine filled with coal in a Self "feed- 

 ing Wilks Boiler keeps an even and 

 continuous fire for 12 hours and longer 

 without any attention. This makes night 

 firing unnecessary. 



Wilks Hot Water Boilers 



WRITE FOR 



YOUR COPY TODAY 



are made of the best quality of steel, 

 strongly riveted and calked, with no cast- 

 iron sections to crack. Our catalogue 

 is yours for the asking. It tells 

 all about our heaters, shows their economy 

 and gives a plan for heating a model 

 greenhouse. 



. Wilks Mfg. Co., 



3523 SHIELDS AVE., 



CHICAGO, ILL. 



jieouoii I lie Keview wuuu vuu wnle 



A Steady 

 Pressure 



will always 

 be main- 

 tained in 

 ▼onr steam pipes, no matter 

 now the pressure at the boiler 

 flactoates, if you equip your 

 main lines with these valveB. 

 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 particulars. 



Highnn Steam Specialty Ce. 

 5021-3 S. Sute St, Qkm 



Mention The ReTlew when yon write. 



pipes will depend somewhat on the size 

 of the ports in the boiler. For 60 de- 

 grees one 4-inch main to supply three 

 of the flow pipes and a 3-ineh main to 

 supply the other two flows might be 



HIGH COMMENDATION WAS AWARDED 



SUPERIOR BOILERS 



AT S. A. F.-AUGUST 20-CHICAGO 



SiTii{ if Fiel, greater ridiatioi en iccoait ef gretter umber if flies. 

 Easilf GJeued Inn the «itside — a lamg if tine and miiey. 



Th«r« war* many othara 

 Write today for Catalogue 



SUPERIOR MACHINE & BOILER WORKS 



Superior and Green Sts., CHICAGO. ILL. 



Mantlan Tbe B«t1*w wImb 70a writ*. 



used. For 50 degrees it would answer 

 if one 3-inch and one 2%-inch main 

 were used, or, if the construction of 

 the boiler favored it, one 4-inch main 

 could be used to supply all of the flows. 



Carry the main pipes upward from 

 the boiler and at some convenient 

 place connect them with the expansion 

 tank. From that point give the pipes 

 a slight fall (one inch to fifteen or 



.ilmfii^.x- -^-^-..-.^ ■- -^ ,. 



■ -■■ ~--- ■j||||ti,iii|ifc/M'jmiA».|-.'^-^-^- .-.Ar-.Mt-ninh^'.ri ■ 



J>l^ttrii.'^-r_. ' ■ ' ^ 



"*■'■■ — * ■ - ' J^.aitA..j»w...^^ 





