110 



The Florists' Revkw 



Febuuahv 1, 1917. 



H. H. LINEAWEAVER & CO., Inc. 



•^r ™ e ft A l_ 



MTUMINOUS %# \^ #% ^m 

 Wait Bnd Trust Building. PHILADELPHIA 



17 Battery Place. NKW TORK 

 Nattinc Buildins. LEBANON. PA. 

 MentloD The B«t1«w wb«ii yon write. 



Greenhouse Heating. 



Subscribers are invited to write the 

 Editor of this Department with regard to 

 any details of greenhouse heating that 

 are not understood. But please do not 

 ask The Review to make a choice of ap- 

 paratus for you. The greenhouse heating 

 equipment advertised in this paper is, we 

 believe, the best for the trade to buy, 

 and each article the best in the special 

 field of its adaptation. 



BETTER USE I^RGER RETURNS. 



I intend to build a sash house 10x70, 

 running east and west, with the boiler 

 room at the east end. Tlie side walls 

 will be fifty inches high. There will be 

 no glass in the north wall, but there 

 will be twenty inches of glass in the 

 south wall. The walls will be construct- 

 ed of sheathing and roofing paper, 

 with shingles on the outside. Would 

 two 2-inch flow pipes be satisfactory, 

 with four 11/^ -inch pipes at the south 

 side and five l^/i-inch pipes at the north 

 side, as returns under the benches? The 

 expansion tank will be connected to 

 the highest point of the system. 



C.'L. F.— Til. 



Since tlie letter from C. L. F. does 

 not state the temperature he desires to 

 maintain in the house, we are not able 

 to determine whether or not the instal- 

 lation of the heating system described 

 will give the desired results. Theoret- 

 ically, tlic amount of radiation sug- 

 gested is amply large for 60 degrees 

 when the outsi(le temperature is 10 de- 

 grees below zero. In actual practice, 

 however, we do not advise the use of 

 li/i-inc'li pipe for returns in houses more 

 than forty or fifty feet in length, and 

 then only when they are three or four 

 feet a"bove the top of the boiler, or when 

 they are used in a closed system. For 

 60 degrees we would substitute four 

 li/^-inch returns for the five iVi-lnch 

 pipes suggested. Or, better yet, use six 

 2-inch returns in the house. 



In case the house is much exposed to 

 high winds, or if the walls and roof are 

 not tight, we would use two 214-inch 

 flow pipes and six 2-ineh returns, for 

 60 degrees. Provided 50 to 55 degrees 

 will suflico, one 2-inch flow and two 2- 

 inch returns might be used on the wall 

 where there is no glass. If the flow 

 pipes are run downhill and the highest 

 point of each flow pipe is connected 

 with the expansion tank, there will be 

 no occasion for using air valves. 



A HOUSE ON SLOPING GROUND. 



I have erected a greenhouse and shall 

 soon be ready to install the heating 

 pipes, I shall'heat with hot water. The 

 house is 13x60 and nine feet high to the 

 ridge. There are three feet of glass in 

 the south wall for a distance of thirty- 

 six feet in the length of the house; the 

 remainder is boarded. The north side is 

 well protected by buildings. The boiler 

 shed is at the west end and there is a 



The World's Supreme 



Greenhouse Boiler 



Record 



The past year has developed unheard of commercial records for 

 the business interests of this country. 



U. S. exports have reached the enormous sum of $4,000,000,000. 



The bank clearings of our country were $260,102,653,054. 



The tonnage in steel assumed the astounding figures of 40.000,C()0 

 (forty million) tons. 



The year's earnings in freiglit and transportation of the rail- 

 roads ran into billions. 



HORTICULTURALLY speaking, 1916 also made remark- 

 able history. 



Cut Flowers and Greenhouse Products, $70,000,000 to 

 $72,000,000. 



(According to the best available figures.) 



These figures we hope will leave a generous and well deserved 

 profit for our numerous florist friends. 



Our company takes pride in announcing that the year just 

 closed goes on record as the world's highest mark in the sales 

 of greenhouse boilers. During the year of 1916 we sold direct 

 from factory to user the following boilers for gi-eenhouse heating: 



Kroeschell Greenhouse Hot Water Boilers l,i'):l<t,500 so. ft. «lass 



Kroescliell Tubeless Hot Water Boilers 104,850 sij. ft. glass 



Kroeschell Tubeless Steam Boilers (>."), 40(t sq. ft. glass 



Kroeschell Water Tube Steam Boilers *JO:'>,200 sq. ft. glass 



Kroeschell High Pressure Steam Boilers UliCO.illUi sq. ft. glass 



TOTAL 3,313,286 sq. ft. glass 



In making the above statement we are very thankful that every 

 boiler referred to was sold by us to be used for the peaceful, inspir- 

 ing and beautiful industry of producing flowers— ( iod's greatest gift. 



WHEN YOU BUY- GET A KROESCHELL 



Kroeschell Bros. Co. 



444 W. ErU St., CHICASO, IlL. 



