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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248 THE GARDEN UNDER GLASS
eaves, the figure is obtained thus: 15 by 10 equals 150. The mean height is obtained by adding 8 and 5, making 13, and dividing it by 2, making it 6|. The 150 is then multiplied
Diagram 51.—Measuring Cubical Contents of Greenhouse: 1. Lean-to : the heights a b and cd are added together and divided by 2. The result is multiplied by the width bd and the product by the length of the house. 2. A three-quarter spån. Add ab to je and divide by 2. Multiply result by b e and the product by length of house. Again add ab to cd and divide by 2. Multiply the result by db and the product by the length of the house. The two sets of figures thus obtained will, if added together, give the con-tents of the house. 3. A spån roofed. Add ab and cd and divide by 2. Multiply result by de and the product by the length of the house.
by 6|, making a total of 975, which for all practical pur-poses may be regarded as 1000 cubic feet.
The Actual Work of Housing
When it comes to the actual work of housing it will generally be forind that there is barely sufficient room for