The Florists' Revk\ik 



March 13, 1919. 



GreenhODse Heating 



Subscribers 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 amount of radiation required 

 for a greenhouse, the 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. 



BEBUnjJING THKEE HOUSES. 



I have purchased three small, dis- 

 mantled greenhouses, each 25i/^x75 and 

 six and one-half feet high to the eaves, 

 and am rebuilding them. They will run 

 east and west. The side walls will be 

 built of hollow 8-inch tile. The two 

 boilers will be about eight feet from the 

 west end of the greenhouses and will 

 be connected in battery, but will be 

 valved so I can use only one in mild 

 weather. The winters here are seldom 

 severe. The north greenhouse will be 

 used for the warmer sort of crops. The 

 other two houses will not be separated 

 by a partition and will be used for cool 

 crops. 



As I should like to use the old pipes, 

 I am jjlanning to install a mercury gen- 

 erator, to aid the circulation in the 

 smaller piping. The materials for the 

 houses are practically new — 2 to 3 years 

 old — and will be carefully reerected and 

 made absolutely tight. A large smoke- 

 stack will be built, so as to provide for 

 any possible future extensions. The 

 houses will be in a well protected situa- 

 tion and will get the benefit of the early 

 morning sun. I am enclosing a sketch, 

 showing the location of the returns as 

 used by the former owner. He had no 

 mercury generator; the boilers were not 

 connected and the smokestacks were 

 small. Any suggestions about the ar- 

 rangement of the piping will be ap- 

 preciated. I know you will advise larg- 

 er returns, but I am anxious to use the 

 pipe purcliased with the other materials. 



H. T. S.— Mo. 



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The sketch shows three houses 25V^x- 

 75, of which the north house is to be 

 used for cucumbers and tomatoes. This 

 has one exposed wall six and one-half 

 feet high, built of cement blocks. The 

 other houses are to be used for lettuce 

 and other cool crops. Of these the 

 south house has thirty inches of cement 

 blocks and four feet of glass in one 

 wall. The boilers are rated for 2,900 

 and 3,200 square feet of radiation, re- 

 spectively, and are set four feet below 

 grade level. The houses are sheltered 

 by hills from cold winds. In the two 

 houses at the north there are six 114- 

 inch pipes under each of the two 

 benches, with a 2-inch supply pipe in 

 each house. In the other house there 

 are eight 1-inch pipes under each of the 

 side benches. 



Just how much radiation will be re- 

 quired in the cucumber house will de- 

 pend upon what months it will be used 

 for this crop. If a cucumber tempera- 

 ture is to be maintained during the 

 colder months, it will be necessary to 

 keep the temperature of the water in 

 the returns at about 200 degrees. Even 

 with a generator we would put in an 

 additional 2-inch pipe; or, better yet 



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WHEN YOU BUY-GET A KROESCHELL 



""The ioiler of Dnequaled M Eceimy" 



Hundreds of Flortoto' Review readers are asing the Kroeschell 

 Boiler and mighty lb their praise. Tlie year of 191S brought an 

 enormous number of new customers who saw our boiler in opera- 

 tion at other places. We attribute the large sales of this season to 

 the good work the Kroeschell Boiler is doing everywhere. 



With our policy — "the customers' interest first" — perfection of construction 



factory to user prices — honest and "true blue" boiler ratings — yon simply cannot 

 lose. 



EXPRESSIONS FROM MEN WHO KNOW BOILERS 



ONE OF BOSTON'S WELL KNOWN 



aaowExs. 



The Kroeschell has taken the place of 

 four cast iron boilers at a big saring In 

 coal. We are using it now for the fifth 

 year. The longer we use it the better 

 we like it. 



(Signed) A. B. KNOWLTON. 

 NOBTB ORAFTON. MASS. 



THE PLANT KINO OF THE WEST. 

 I bsTe used Kroescbell Boilers ever since 

 I built my first greenhouse. Tbey have 

 always given me the Tery best satisfaction 

 and I belleTe them as good l>ollers as 

 money can buy. 



(Signed) F. OECHSLIN. 



CHICAGO. ILL. 



OHIO'S CELEBBATED OYOLAHEN 



SPECIALIST. 

 After using your No. 12 Kroeschell 

 Boiler I came to the conclusion that bad 

 I to install more boilers it would be the 

 Kroeschell and no other. It really is a 

 pleasure to heat, no trouble to get the 

 desired beat in a very short time. 

 (Signed) CHRIST. WINTBRICH. 



DEFIANCE. OHIO. 



A BIO KAN IN THE FLORIOVLTtrKAL 

 WOBLO. 

 The Kroescbell Boiler I Installed last 

 year usually runs from 10 p. m. to 6 a. m. 

 without attention. I do not have the 

 least trouble to keep temperatures in tbe 

 coldest weather. The trailer has glTen en- 

 tire satisfaction. 



Tbe Kroeschell Is tbe best boiler we 

 bare ever bandied. 



(Signed) CHARLES TOTTY. 

 MADISON. NEW JERSEY. 



THE WOBLD'S OBEATEST MUSH- 

 BOOK PLANT. 



We spent $100,000 in building and 

 equipping the largest modem mnsbroom 

 plant In tbe world. We purchased In 

 every instance tbe beet of everything we 

 could get, and the fact that we Installed 

 a Kroeschell Boiler to furnish our beat is 

 sufllcient evidence of our opinion of same. 



Since Installing this Iwiler and operat- 

 ing it we have never had any reason to 

 change our opinion. 



(Signed) FALMOUTH MUSHROOM 

 CELLARS. INC., 

 FALMOUTH, MASS. 



THE QUALITT PLACE OF BOSTON. 



Regarding tbe Kroescbell, it Is the best 

 we have ever bad and satisfactory beyond 

 our expectations. It heats up especially 

 quick and has saved us conRlderably al- 

 ready in tbe price of fuel. When we are 

 In need of another boiler we will give the 

 Kroescbell tbe first consideration. 



(Signed) WM. W. EDGAR CK).. 



WAVERLEY, MASS. 



A FAKOUS ILLINOIS BOSE BANOE. 

 In speaking of tbe Kroeschell Boiler as 

 an economical greenhouse boiler I cannot 

 say too much. Personally I have bad the 

 pleasure or misfortune to fire nearly every 

 make of greenhouse boiler on the marlcet and 

 I can safely say tbe Kroeschell is tbe 

 best of them all. 



(Signed) CHA8. McCAULBY, 

 RIVERBANK GREENHOUSES. 



GENEVA, ILL. 



A WELL KNOWN CARNATION PKIZE 

 WXNVKB. 

 The carnation range of Mr. Nlc Zweifel. 

 of North Milwaukee, counts of nearly 

 70.000 sq. ft. of glass and the water plant 

 l8 heated by a No. 14 and No. 15 Kroe- 

 schell Boiler and Kroescbell Generator. 

 Tbe product of the plaat ta known 

 tbronghoat tbe West for Its fine quality. 

 Mr. Z. has oaed different Mads of boilers. 

 As for tbo Kroeschell, be says: "I think 

 tbe Kroescbell Boilers are the best boilers 

 a florist can buy." 



(Signed) NIC ZWEIFEL. 

 NORTH MILWAUKEE. WIS. 



WE HAVE NO AGENTS-BUY DIRECT -GET FACTORY TO USER PRICES 

 T-'cfHELL ^X WHEN YOU BUY -Get A Kroeschell 





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YOU WILL BE SATISFIED 



KroescheD Bros. Co. 



444 W. Erie St., CHICAGO, ILL. 



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