Architect and engineer . nwDctjllMAaK Pump Governors Oil Burner GovernorsReducing ValvesSafety ValvesOil Valves Blowoff ValvesBoiler Feed WaterRegulators Oil Pumping Sets Little Giant ImprovedOil BurnersDuplex Oil PumpsRotary Oil PumpsOil HeatersDraft GaugesBoiler Feed Pumps 862-864 HOWARD ST. G. E. WITT CO., Inc. ENGINEERS Manufacturers and DistributorsPhone Douglas 4404 SAN FRANCISCO, CAL. Preserve Your Concrete Floors By the use of VITRIFYX you can at small ex-pense, stop dusting and abrasion, prevent absorp-tion of oil or water and protect from dilute ^ PACIFICMATERIALS CO. 525 Mar

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Architect and engineer . nwDctjllMAaK Pump Governors Oil Burner GovernorsReducing ValvesSafety ValvesOil Valves Blowoff ValvesBoiler Feed WaterRegulators Oil Pumping Sets Little Giant ImprovedOil BurnersDuplex Oil PumpsRotary Oil PumpsOil HeatersDraft GaugesBoiler Feed Pumps 862-864 HOWARD ST. G. E. WITT CO., Inc. ENGINEERS Manufacturers and DistributorsPhone Douglas 4404 SAN FRANCISCO, CAL. Preserve Your Concrete Floors By the use of VITRIFYX you can at small ex-pense, stop dusting and abrasion, prevent absorp-tion of oil or water and protect from dilute ^ PACIFICMATERIALS CO. 525 Market St., San Francisco A. President J. A. MACKENZIE CHAS. F. EISELE) ^sst Managers J. M. FABBRIS, Vice-President Secretary J. RUBIOLO j AMERICANMARBLE & MOSAIC CO. 25-29 Columbia Square, San Francisco Telephone Market 5070Factory on Canal, South San Francisco Telephone South San Francisco 161

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