The Architect & engineer of California and the Pacific Coast (1905)
San Francisco, Calif. : Architect and Engineer Co · leaf 344
hrough the stuffing box thepacking sets and gets hard, and the valves leak more orless when opened or closed. PALMETTO TWIST can be unstranded and any size valve packed from one spoolIt cannot burn — its all asbestos. Does not get hard — be-cause a perfect lubricant is forced into each strand. Use…
Architecture · Building
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