The Garden Under Glass
Forfatter: William F. Rowles
År: 1914
Forlag: Grant Richards Ltd. Publishers
Sted: London
Sider: 368
UDK: 631.911.9
With Numerous Practical Diagrams From Drawings By G. D. Rowles And Thirty-Two Illustrations From Photographs
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30
THE GARDEN UNDER GLASS
tion of nine inches will be sufficient to support the pits, the walls of which need not be more than four and a half inches thick. If these pits stand in the open the lights will be made to slide up and down in the case of those of the lean-to shape, but where they are an adjunct to the green-house they will need to be hinged at the back and be supported with a prop while watering is being done.
Diagram 14.—Pits and Frames: 1. Half-span frame with flow and return pipes. 2. Span-roofed frame with Staging raised on pots. 3. Plan of a two-light wooden frame 8 feet by 6 feet. 4. One of the lights.
Span-roofed frames also have their lights kept open by this means. Wherever the frames stand independent of other buildings there should be sufficient room left to draw back the lights. It is not at all unusual to find this precept transgressed. Obviously it is a great nuisance if through the proximity of a wall the lights cannot be drawn off. If the amateur cares to go to the expense of a range of pits I would certainly advise that they be divided into pairs or threes, with brick or board partitions between, as by this