Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 438
ting blow-pipe. Linde oxygen and Prest-O-Litedissolved acetylene. In this manner it would appear thatthere is no limit to the thickness otsteel that can be cut with the oxy-acetylene torch, as the operation ofslicing off angles can be carried to anydesired extent so long as access to themetal with… … IS Cents$(.00 Per Tear Telephone Douglas 237a PaUiolin (Mfke 560 Mittion Streat San Francisco, Cal., November 6, 1920 Pobliikcd Every SatardtTTwentieth Year, No. 44
Architecture · Building · Construction industry · Engineering
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