The Architect & engineer of California and the Pacific Coast (1905)
San Francisco, Calif. : Architect and Engineer Co · leaf 29
CLEANING BY THE ROTREX SYSTEM … Din t(i Sewer. Xo Tanks. No Sliding Blades or nibliing parts in Pump. No Suction Valves. Less Power. Less Floor Space, Scrubbing and Mopping. Longest Life. Best Implements. Tel. Douglas 2775 VACUUM ENGINEERING CO., 772 Monadnock BIdg.
Architecture · Building
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