-58 



H ORTI CULTURE 



J'llv 11, 1908 



GREENHOUSE HEATING 



From The Weekly Florets' Review, Dec. 20, 1906. 



\ 



A HEATING RECORD 



I have two houses, each 23 x 100, in which I grow lettuce and general 

 stock. I keep a night temperature 50 to 52 degrees. They are heated with 

 hot water. I had a special boiler made to order that has proved itself he. 

 yond my expectations. In the winter of 1905-6 I used thtrty-one tons of 

 coal at $1.90 and ten cords of 3 loot wood worth about $2.50 per cord. This 

 1 thought very reasonable The circulation is perfect. Last winter in 

 moderate weather, that is, not windy and outside temperature 20 degrees or 

 so above zero, I would leave the boiler nine hours with a variation of but 

 3 degrees. 



Ten days ago I was called to Cleveland over night. The outside tem- 

 perature was 46 degrees at 2.40 p. m. t when 1 left the boiler, with a grad- 

 ually sinking mercury. There being no men about, I left instructions that 

 the boiler should not be touched until next morning. My wife, on my 

 return next evening, reported that at 7 p. m. it became quite windy and by 

 9.30 was freezing, with stormy outlook. When she awoke at 6 a. m., the 

 outside temperature was 26 degiees, and the greenhouses were 47 degrees. 

 1 think this is a record for fifteen hours and twenty minutes with- 

 out attention. I would like to hear from anyone who can beat it. 



C. S. TEW I -arrettsville, Ohio. 



THIS IS A KROESCHELL BOILER, ASK HIM. 



KROESCHELL BROS. CO., 35 ERIE ST., CHICAGO 



I KROESCHELL BROS. CO., 35 ERIE ST., I 





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 Note : rvo Columns 



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