100 



The Florists* Review 



July 8. 1919. 



Greenhoflsie Heating 



BuBSOBiBKBS are invited to write the 

 Editor of this Department with regard to 

 any details of greenhouse heating that 

 are not understood. When information 

 is desired regarding the capacity of boil* 

 ers, or the amoimt of radiation required 

 for a greenhouB^he needed temperatures 

 should be stated in the inquiry, as well 

 as the amount of glass in the side walls, 

 and the dimensions and general arrange- 

 ment of the greenhouses. It is often help- 

 ful, also, to have a sketch showing the 

 location of the houses. 



SHORTAGE MAY SHUT PLANTS. 



Governnjent coal production figures 

 point to "the greatest coal shortage in 

 history" next winter unless production 

 is stimulated immediately twenty-five 

 per cent or more throughout the na- 

 tion, according to a statement made 

 public a few days ago by F. S. Peabody, 

 chairman of the National Coal Associa- 

 tion's special committee dealing with 

 the prospective shortage. 



"The information gathered by the 

 committee is that at the present rate of 

 production one industrial plant out of 

 every eight in the United States will 

 have to shut down next winter for lack 

 of coal," said the statement, which at- 

 tributed the falling off in production to 

 the extremely low demand. 



Coal men are becoming so alive to the 

 situation, presaging as it does dangers 

 ahead next winter, that they are adver- 

 iisiijg widely" in the newspapers, using 

 big space to call the public's attention 

 to the facts of the conditions which the 

 industries of this countrj^ will face when 

 cold weather arrives, if they do not heed 

 the warning issued now. 



PIPING A SASH HOUSE. 



Kindly state the number of 2-inch 

 hot water pipes that will be required 

 in a sash house 10x73 and seven feet 

 high to the eaves, to maintain a tem- 

 perature of 50 degrees in zero weather. 

 The boiler capacity is ample. 



H. 0. H.— Pa. 



To heat the house referred to will re- 

 quire about 250 square feet of hot water 

 radiation, which will be furnished by 

 412 linear feet of 2-inch pipe. This will 

 make about six runs, or three upon each 

 side of the house. 



In case there are two raised benches 

 along the side walls, it will be possible 

 to carry one 2-inch flow pipe under each 

 bench and connect each of the flows at 

 the farther end of the house with a coil 

 of two 2-inch returns. Provided the re- 

 turns are not much if any above the top 

 of the boiler, it will be better to carry 

 the flow pipes above the benches, along 

 the plates, giving each a slight fall. 

 The expansion tank should be connected 

 with the highest point in the system. 



PIPING A LEAN-TO. 



We are building a lean-to greenhouse, 

 20x70, six feet high at the eaves and 

 ten feet high at the peak. How many 

 runs of pipe would it take to heat the 

 lean-to to 50 degrees, and how would 

 it be best to place themf J. A. F. 



I infer that the lean-to greenhouse is 

 to be built against the wall of another 

 building, and the amount of radiation 



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WHEN YOU BUY-GET A KROESCHELL 

 "THE BOILER OF UNEQUALED FUEL ECONOMY" 



NOT 



CAST 



IRON 



NOT 



CAST 



IRON 



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Expressions From Hen Who Know Boilers] 



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Get the Kroeschell Tint 



Several years »ko Mr. 

 Kroeschell Hot Water Boiler. 



corresponded with us In regard to the 

 but was persuaded to install two sectional 



cast iron boilers which were claimed to be superior to the Kroeschell. 



In the meantime wc placed a number of Kroeschell Boilers In the 



Immediate vicinity of Mr. , and he could not help but notice 



their great efficiency, and last year, while at the convention, he placed his 

 order for his first Kroeschell. The following letter speaks for itself: 



"We like the Kroeachell Boiler very much. It arives entire 

 satisfaction, and it is so easy to fire. I will trade yon tlie ttvo cast 

 iron sectional boilers foranother lilie tlie Kroeschell I have." 



[Sisned] Mr. , Ohio. 



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No Nore Cast Inn Boflen 



I have used several different makes 

 of boilers but none I like so well as 

 yours. 



The Kroeschell is easier to fire, takes 

 less coal and water circulates quicker 

 than any other boiler. 



I have used two different makes of sec- 

 tional boilers — no more cast iron 

 boilers for as. 



[Signed] Mr. , Mich. 



KneKhell Replaces Cast Ino 



The Kroeschell has replaced three cast 

 iron sectional boilers, and it certainly 

 has given entire satisfaction. 



It only takes a few words to express the 

 good quality of your boilers and they are 

 as follows: "Of all flm]s handling boilers 

 and advertising them truthfully, the party 

 buying a boiler would have to get the 

 Kroeschell, as you are certainly advertis- 

 ing nothing but facts." 



[Signed] Mr. , N. Y 



KROESCHELL BOILERS will put hish 

 temperatures into your hoatins linos. 



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m KROESCHELL BROS. CO., 



444 W. Erie Str««t 

 CHICACO, ILL. 



