The Architect & engineer of California and the Pacific Coast (1905)
San Francisco, Calif. : Architect and Engineer Co · leaf 39
ough the stuffing box thepacking scts and gets hard, and the valvos leak more orless when opened or closed. PALMETTO TWIST can be unstranded and any size valve packed from one spool. It cannot burn — its all asbestos. Does not cet hard — be-cause a perfect lubricant is forced into each strand. Use…
Architecture · Building
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