. Florists' review [microform]. Floriculture. 92 The Florists'Review I'KUllUARY 20, 1913. IMPROVED RETURN TUBULAR FIREBOX BOILER. Johnston Heatlns: Co. 131 E. 26tli St., N«w York City Mention Tbe BeTlew when you write. Greenhouse Heating. The worst of the winter has passed and at no time has there been the antici- pated fuel famine; the only trouble was before the season really had opened, when there was a sharp flurry in anthracite that also was felt in smokeless coals. Thk price of crude petroleum has ad- vanced to the point where it is not eco- nomical as a greenhouse fuel and some who use


. Florists' review [microform]. Floriculture. 92 The Florists'Review I'KUllUARY 20, 1913. IMPROVED RETURN TUBULAR FIREBOX BOILER. Johnston Heatlns: Co. 131 E. 26tli St., N«w York City Mention Tbe BeTlew when you write. Greenhouse Heating. The worst of the winter has passed and at no time has there been the antici- pated fuel famine; the only trouble was before the season really had opened, when there was a sharp flurry in anthracite that also was felt in smokeless coals. Thk price of crude petroleum has ad- vanced to the point where it is not eco- nomical as a greenhouse fuel and some who use it are, indeed, finding it difficult to procure a supply to keep their boilers going. Not so long ago the market for crude was $ per barrel; noW it is $ and the trade expects to see $3 before the production begins to increase in response to the advance in price. RESIDENCE AND GREENHOUSE. I'lease tell mc whether our residence and greenhouse can be heated with a Wilks hot water boiler. The size of my greenhouse is 9x50 feet. 1 think it is what you would call a lean-to house. It is eight feet high on one side and five feet six inches on the other. I am thinking of remodeling the front of our residence, enlarging room No. 1, the front room shown on the enclosed diagram, and making a flower store of it. I have been wondering whether I can heat the rooms, Nos. 1, 2 and 3, numbering them in order from the front backward, with the same boiler. The rooms are all on the ground floor. The kitchen, at one side of room No. S, does not nee(T*a'ny heat, as we have a gas range- there, for cooking. The green- housq .is attached to the rear of the kitchen. Can I use radiators in these three rooms? If so, please let me know what amount of radiation is needed for each room. The following is the size of the rooms, with the doorways and windows: Room No. ], J 3x29, 9 ft. 6 in. high, one window 6x6 ft., t^fo windows each 3x5 ft., and two (kwi-s-«a«h 3x7 ft. Room 2, 13x21, 9 ft. 6 in. high,


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