Greenhouse construction : a complete manual on the building, heating, ventilating and arrangement of greenhouses, and the construction of hotbeds, frames and plant pits . BOSE HOUSES. Uo. 10 146 GREENHOUSE CONSTRUCTION. pitch of the roof should slope at the rate of about twofeet for every three feet in width of house. With theridge posts at a distance of fourteen feet from the out-side of the south wall, the bottom of the ridge shouldbe about eight feet higher than the top of the south wall,or twelve feet from the ground level, with the south wallfour feet in height. This will require a rafter
Greenhouse construction : a complete manual on the building, heating, ventilating and arrangement of greenhouses, and the construction of hotbeds, frames and plant pits . BOSE HOUSES. Uo. 10 146 GREENHOUSE CONSTRUCTION. pitch of the roof should slope at the rate of about twofeet for every three feet in width of house. With theridge posts at a distance of fourteen feet from the out-side of the south wall, the bottom of the ridge shouldbe about eight feet higher than the top of the south wall,or twelve feet from the ground level, with the south wallfour feet in height. This will require a rafter slightlyless than sixteen feet in length on the front, and six feeton the rear slope of the roof, when the rear wall is eightfeet in height. Another good form for a commercialrose house is the one described in Chapter III., with thesides of the roof fifteen and seven and one-half feet, andthe height of the front and back walls five and sevenfeet respectively. In a house of this shape there shouldbe a line of glass under the plate of the south wall (). While the even-span house is not as well adaptedfor rose forcing as the three-quarter span house, it is fre-quently used, an
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