The Architect & engineer of California and the Pacific Coast (1905)
San Francisco, Calif. : Architect and Engineer Co · leaf 183
San Francisco, Cal. Portland, Ore. Seattle, Wash. Los Angeles, Cal. … ^ITH many tubesin one header,die unequal expan-sion causes leakyjoints. Rerollinglliins tlie tube endsand means newlubes. In tlie de-si gn ol a headerholding but twotube ends eachtube can expandwithout strain onheader or joints.■3 This is anotherfeature of the PARKER WATER TUBE BOILER Keystone…
Architecture · Building
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