. The complete home landscape. Landscape gardening; Gardens. CONSTRUCTION DETAILS—WALLS 47 TTdte-d depth of foundation. 4. Decide on proportion of width to height (three-tenths to five- tenths). 5. Establish a verti- cal line for the back of wall. 6. Decide on width of top of wall. 7. Draw a diagonal line from this point through half- way point in rear line. 8. Erect a perpendicular from lower end of diagonal line. 9. Extend top of wall horizontally to meet this perpendicular. 10. Divide this horizontal line into some even number of spaces (nine to twelve inches each). 11. Divide the perpendic
. The complete home landscape. Landscape gardening; Gardens. CONSTRUCTION DETAILS—WALLS 47 TTdte-d depth of foundation. 4. Decide on proportion of width to height (three-tenths to five- tenths). 5. Establish a verti- cal line for the back of wall. 6. Decide on width of top of wall. 7. Draw a diagonal line from this point through half- way point in rear line. 8. Erect a perpendicular from lower end of diagonal line. 9. Extend top of wall horizontally to meet this perpendicular. 10. Divide this horizontal line into some even number of spaces (nine to twelve inches each). 11. Divide the perpendicular into the same number of parts plus one. 12. Adopt a regular step form for the rear of the wall using the vertical line pass- ing through the one half-way point previously estabUshed. 13. The upper step goes in diagonally. 14. Extend the foundation six inches to nine inches beyond the wall at front and rear. 15. Design Pry \Vall Fig. 50.—Sectional view of a dry wall showing location of perforated pipe to provide irriga- gation DRY WALLS For retaining purposes the dry wall is not very practical. In the first place it is not substantial enough to hold any appreciable amount of fill. It is, however, sometimes used as a facer wall where the mate- rial back of it is cut away and not filled in, in which case this type of waU in the garden is very desirable and can be made very interesting. For the location and construction of such a wall see Fig. 48. It is often necessary to provide a subirrigation system for the rock wall when Alpine plants are used in the prepared pockets. This may be accomplished by running a two-inch agriculture tile along the top of the slope about a foot below the surface; for best results it should be embedded in crushed stone or cinders. Let the tile come up to the surface some place where it can conveniently be filled with water—. Please note that these images are extracted from scanned page images that may have been digitally enhanced fo
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectgardens, booksubjectl
