. Les fleuristes [microforme] examen. La floriculture. Chaudières fera plus de travail que les autres chaudières de la même taille ; faites dans toutes les tailles pour chaque taille de chaleur serre. FlushinK 1299-1323 TUYAUX RACCORDS VANNES Ave., Brooklyn, N. Y. maison^ witli température plus basse. Les retours seront de 2  % pouces également. Cet arrangement sera bien travailler avec une chaudière de la bonne taille ? Je vous>ut la même taille de tuyau dans la serre avec la basse température de la pièce ? La chambre avec la basse température va-t-il de la même largeur, mais soixante pieds plus long que l'autre chambre. La proximité de la crête pol

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. Florists' review [microform]. Floriculture. BOILERS Will do more work than any other boiler of the same size; made in all sizes to heat every size greenhouse. PIPE VALVES FITTINGS 1299-1323 FlushinK Ave., Brooklyn, N. Y. house witli tlie lower temperature. The returns will be of 2%-inch pipe also. Will this arrangement work out all right with a boiler of the proper size? Would you i>ut the same size of pipe in the greenhouse with the lower tempera- ture? The house with the lower tem- perature will he of the same width, but sixty feet longer than the other house. How close to the ridge pole should the 2Va-ineh main flow be placed? How high and how large should the stack be made? The greenhouses are situated on the side of a hill, about 200 feet below the summit. The hill protects the west and the soutli sides of the houses. The walls are made of cement and e.xtend iip to the sills of the glass in the sides. The outside temperature goes as low as 10 degrees below zero. The heater is a Her- cules, made in Chicago, and I intend to add another when the second house is completed. Each of the heaters will have five sections. I should like to use 3%-inch pipe, because with the present arrangeiiioiit I can disconnect either heater in mild weather or for repairs. F. K.—O. The principal objection to the pro- posed jilan for piping the greenhouses is that only one 2i/i-incli supply pipe is to be used for sixteen 2-inch returns. It is true that there will be but about Used in More Than 9, 000 Plants Better join up with this satisfied army of friends who know what a profitable move it is to eliminate poor combus- tion conditions, escaping heat and needless repairs with a permanent, modern setting of mmi!i>^iiiiii. Settings of "Steel Mixture" reduce the joints more than two-thirds. Because they are smooth and with few joints they last more than twice the life of ordinary fire brick. These tested facts are worth considering. Write us at once for "Book of Dim