William A. Radford · Radford Architectural Company · leaf 62
three-inch hollow core walls with ten-inch air chamber. In a circular form there are two sides,the inner and the outer. These are madein the same way, but cannot be of the same pattern, as the thickness of the walls comesbetween the two parts, making the radiusof the sides different. The simplest… … same measure, mark the circle on them.They should then be knocked apart andsawed out along the lines marked,the pieces then being fastened securely to-gether. After making two or more circu-lar forms, place them at equal distancesapart and put on the side boards. Silo of Concrete Blocks. The…
