San Francisco : Architect and Engineer, Inc · leaf 396
PAVING Bl:, \ 1. KEMOVING CONCRETE FROM VENTITRI VAULT. CLKN i:i.AM. OHIO enough to l>e handled by one man, but with the aid of a cutting chiselthey also cut off the steel reinforcing side rods. These cutting chiselswere similar to those used for asphalt except that the edge was concaveso that…
Architecture · Building
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