San Francisco : Architect and Engineer, Inc · leaf 299
WASTE MOLDS. FIBRE BOARDIN PLACE stroy the ornament, or the concrete maysoften, spall and leave a rough surface.The application of two coats of thin shellachas been found the best and cheapestmethod of sealing plaster molds and whilethere are several other methods used in anattempt at economy,…
Architecture · Building
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