94 



The Florists' Review 



1 



Jandaby 23, 1913. 



WILKS 



Hot Water Boilers 



ARE THE MOST ECONOMICAL 

 BOILER fOR GREENHOUSES 



No NiKht FIraman R«qulr«d with OHr 



SELF-FEEpiNG 

 HOT WATER BOILERS 



Send for Catalogue and prices. 



S. WILKS MFG. CO. 



3803 Shields Ava.. CHICAQO 



Mention The Review when you write. 



Greenhouse Heating. 



Subscribers are invited to write the 

 editor of the Heating Department, de- 

 scribing their troubles or asking any 

 questions regarding the heating of green- 

 houses, the piping or boiler-room. But 

 please do not ask us to make a choice of 

 apparatus for you. Each boiler adver- 

 tised in The Review is a good boiler, and 

 the advertisers sell them on their merits. 



LICENSED FIBEMEN. 



I should like to get a few pointers 

 on steam heating. What are the re- 

 quirements for a fireman, in order to 

 hold a certificate for running a steam 

 boiler? Is there a text-book on the 

 subject? C. 



In most places where boilers are used 

 for heating purposes and low pret'sures 

 are carried, no certificate or license 

 is required by a fireman. In some of 

 the larger cities, however, boilers above 

 a certain horse-power must be in charge 

 of a licensed stationary engineer. The 

 requirements are not uniform, but are 

 based upon local ordinances. When 

 licenses are necessary, applicants are 

 generally required to take some sort of 

 examination, which is usually purely 

 technical. While actual experience, 

 under an experienced fireman, is the 

 best way of learning the. business, 

 there are several books which treat 

 of steam boilers and their care, and 

 some of the correspondence schools 

 have courses on this subject. 



A COIL BOILEB. 



Next summer I shall build another 

 greenhouse, but the boiler I have now 

 will not be large enough to heat it 

 and the houses I have at present. I 

 have decided, therefore, to use a coil 

 of pipe, but a man here, who should 

 know, says that a coil of wrought^ron 

 pipe will burn out in two winters, using 

 soft coal for fuel. So I am thinking of 

 using cast-iron pipe. Any information 

 you can give me on this subject will 

 be appreciated. H. B. 



Coils made from wrought-iron pipe 

 are not durable, especially when 1-inch 

 pipe is used and soft coal is burned. 

 Two-inch pipe is considerably heavier, 

 and, especially if the threads are not 

 exposed, will last much longer. Of 

 course cast-iron pipes will last for 

 several years, but, owing to uneven 

 expansion, there is always more or 

 less trouble from leaky joints. At best, 

 coil boilers are not altogether satis- 



RETURN TRAPS 



help to maintain a 

 uniform tempera- 

 ture throughout the 

 houses by keeping 

 steam coils free 

 and clear of con- 

 densation. 



By automatically returning the condensation directly to boilers at almost 

 evaporation teiyjerature, "Detroit" Traps effect a great saving in coal. 



Bulletin No. 326-WF gives detailed 

 information. Ask us for a copy. 



Americah Blower Gompany 



■ DETROIT. MICH. ■ 



U. S. A. 



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

 Mention The KeTl.w when you write. 



IMPROVED RETURN TUBULAR 

 FIREBOX BOILER 



Johnston Heatins: Co. 



131 B. 26tli St., N«w York aty 



Mention The ReTlew when yon write. 



READING GUARANTEED 



Wrought Iron Pipe 

 Nelson Valves 



All Slz«s In Stock 



The Hartman Company 



1231-5 No. Front St.. PhlUdeiphia 



Mention The Review when yon write. _ 



factory, and are only economical in their 

 cost of construction. Hence, except 

 as a temporary makeshift, their use is 

 not to be recommended. 



EXTENDING A QBEENHOUSE. 



We wish to enlarge our greenhouse 

 20 X 30 feet. The house is 20 x 115 and 

 four feet to the plate, with two feet of 

 glass in the sides and glass in the south 

 end. The house is piped with two 1%- 

 inch flow pipes and five 1^-inch re- 

 turns on the sides. Do you think the 



When you buy 

 Emergency Pipe 

 Clamps in box-lots, 

 you're taking out 

 leak-insurance. 



Here's our price 

 list: 



Each 



lln 10.40 



m-in 48 



l»«-in.... .66 

 2.in 64 



Each 

 2i2.in.... 10.80 



8-ln 1.00 



8»«-in.... l.ao 

 4-in 1.60 



1-in. to 2-in., twelve in a box. 



2i«-in. to 4-in., six in a box. 



Prices Net F. 0. B. Chicago. 



James McCrea <fe Co. 



668-560 Washington Bvd. 

 CHICAGO. :: ILLINOIS 



Mention The Review when you write. 



Simonds Heating & Specialty Co. 



Grand Rapids, Mich. 

 QREBNHOUSB 



ONE POUND PRESSURE 



VACUUM HBATINQ SYSTEMS 



MeDtioD Tbe Review when you >vrite. 



extra 20 x 30 feet will be heated satis- 

 factorily? We have a ten horse-power, 

 return tubular boiler, with a grate sur- 

 face of 22 X 36 inches. Do you think 



