Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 260
t. TROJAN EXPLOSIVES The Mo^ Powerful MadeSafe and Economical Manufactured on a solid base and do not contain any liquid^explosive ingredient. Will not freeze Will not exude Will not give off noxious gases No thawing No leaking No headaches California Trojan Powder Company PhelaD BuildingSan… … 221 Oak Street Bet. Gough and Octavia San Francisco age Two BUILDING AND ENGINEERING NEAVS
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