The Architect & engineer of California and the Pacific Coast (1905)
San Francisco, Calif. : Architect and Engineer Co · leaf 193
stutting box tlieparkine s t< and kc s hard. anJ the valvts leak more orless when opeued or closed. PALMETTO TWIST can be unstranjJed and any size valve parked (r-m nn* spool. It cannot burn — its all asbestos. Uuci not ■. it hard — be-cause a perfect lubricant is forced into each sirand. Use…
Architecture · Building
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