The Architect & engineer of California and the Pacific Coast (1905)
San Francisco, Calif. : Architect and Engineer Co · leaf 495
under conditionswhich would cause any rigid materialsto crack and break. Of course, the re-markable rust resistance of .\rmco ironis of great importance in respect tothese pipes, especially wdiere they are in-stalled, as is often the case, where thewater is salty or brackish. The gate itself is… … Fig. 7—IVooden grating forAutomatic Drainage Gate. RatHh BullAreata, California, on Humboldt Bay. substances of asphaltic base ■commonlyemployed for this purpose and for fur-ther protection of the iron against cor-rosion. This material has been collected withthe co-operation of Messrs. Symmes…
Architecture · Building
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