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Ai'BiL 13, lyii. 



The Weekly Florists' Review. 



83 



The Kroeschell a Coal-saver— Heats Up Quick 



The No. 4 boiler we purchased of you in 1!»09 has given the very best satis- 

 faction—would wish no better. Have taken out return tubular boiler this fall, 

 1 which used one- half more coal than your present boiler. Your boiler is so easy 

 to regulate that in a few minutes I can run up the temperature by opening 

 drafts. The flow and return connections with Generator all work the very best, 

 according to your plans. We cannot give your boiler enough praise. So far as 

 I have given it a test, my old boiler would not be in it, considering how much 

 more attention the old one took. Frank, A. Wagner, Tiffin, O. 



Il^io'^e KROESCHELL BROS. CO., 444 W. Erie St., CHICAGO, ILL. 



C. May we quote you prices on 



GUARANTEED WROUGHT 

 IRON PIPE and PITTINGS? 



WHETSTONE & CO., n,:i>„.riiiladelpliit 



Mention The Review when you write. 



installing the hot water system will be 

 of less account. In case a hot water 

 system is used in a large plant, as is 

 sometimes the case, it is customary 

 to provide for mechanical circulation 

 by means of a pump. 



For gravity systems it is customary 

 to use 2-inch pipes for the returns, but 

 when the circulation is secured by 

 pumping, a smaller pipe can be used. 

 In some successful systems boiler tubes 

 are used for radiation. Some or all of 

 the flow pipes are generally carried 

 overhead, while the returns are either 

 under the benches or upon the side 

 walls. 



A SMALL FORCING HOUSE. 



I have a small forcing house, running 

 east and west, with the boiler shed 

 at the west end. The greenhouse, with- 

 out the shed, is 11x40 feet, and seven 

 feet from floor to ridge pole. There 

 is an 8-inch concrete wall, four feet 

 high, on the south side, and the wall 

 on the north side is three feet high, 

 with one foot of glass. There is a door 

 in the east end and the rest of that 

 end is glass. Can you tell me the num- 

 ber of square feet of space in this 

 house, and how to pipe it for hot water 

 to produce a temperature of 50 degrees 

 and also of 60 degrees? I should like 

 to have an overhead flow under the 

 ridge pole and returns under the 

 benches, which are two feet six inches 

 high. I have several lengths of 1^- 

 inch and 1-inch pipe. Can I use these? 

 What rating of boiler do I require to 

 run this house without forcing, in this 

 part of New York state, where the out- 

 side temperature is sometimes about 10 

 degrees below zero? H. J. P. 



From the description it is evident 

 that the house covers 440 square feet 

 and contains not far from 2,400 cubic 

 feet of space, but these dimensions are 

 not used to any great extent in esti- 

 mating the amount of radiation re- 

 quired. Instead, the amount of ex- 

 posed glass and wall surface is taken 

 into account. In the house described 

 there is not far from 565 square feet 

 of glass and 300 square feet of cement 

 wall. To heat the house to 60 degrees. 



"SUPERIOR" 



To all others for Greenhouse Heating. 



Made In Nine (9) sizes tor Hot Water. 

 Send tor catalosue and list of erov^ers that are uslnc this boiler. 



Superior Machine ft Boiler Works 



840-860 West Superior Street, CHICAGO, ILL, 



Mention The Review when vou write 



Boynton Furnace Co. 



Sole ^Manufacturers of 

 BOYNTON'S 



WATER AND STEAM BOILERS 



FOR HEATING ALL KINDS OF BUILDINGS 

 Especially Adapted to Heatipg Greenhouses 



147 Lake Street 

 New Tork Chicagfo Jersey City 



Mention The Rpview when vou write 



The Users 

 Of The.... 



SnccesBors to the 

 John Davis Companr 



Hughson Regulating Valve 



are all satisfied with the results it has jfiven, and many 

 duplicate orders is the proof. This Valve will main- 

 tain a steady pressure on the low side, no matter 

 how the initial pressure fluctuates. By carrying 40 or 50 

 pounds pressure on the boiler and setting the vslve to 

 carry 6 or 10 pounds on the line, you always have a 

 reserve to fall back on in cafe of a sudden drop in tem- 

 perature. Our new catalogue Is iust out and if 

 you contemplate making any changes you had better 

 get one— it is yours for the asking. 



We Also Make Traps and Other Devices. 



HUGHSON STEAM SPECIALTY CO. 



5021-5028 8. State Street, CHICAGO 



