San Francisco : Architect and Engineer, Inc · leaf 113
wil Type F Con-duit and insulated with Dry-paCpacked to standard density. \rocker arm attached to the pipeproduced a longitudinal movementof 1/61 160 times per minute.At the conclusion of 24 hours, or230,400 vibrations, the top sec-tions of conduit were removedand the Dry-paC showed no signof…
Architecture · Building
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