Blaw-Knox Company (Pittsburgh, Pa.) · Blaw-Knox Co. · leaf 24
are then clamped in a higher position, that is, suppoFit- 29 upon the upper horizontal liner of the first course. BLAWFORMS FOR LIGHT WALLS AND FOUNDATIONS The second course of panels is then placed, and the bottom angle onthe first course raised and used on the second course, as shown in themiddle… … Fig. 30 liners may lap past one another to allow for variation in wall length.The bottom of the second course is secured to the top of the firstcourse by keys. After the second course is filled, the yokes are again raised, tothe position shown in Fig. 31. The bottom course is then taken outand…
Building materials · Concrete · Formwork
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