San Francisco : Architect and Engineer, Inc · leaf 415
oining the Stromberg-Carlsonstaff, Bramley devoted his full time to re-search at Allen B. DuMont Laboratorieswhere he served as Senior Research Engi-neer and Head of the Solid State PhysicsSection. In 19T1-52, he was Program Di-rector of Electronic Corporation of Amer-ica where he worked on… … Because of the full thread under thehead, considerably more resistance tostripping out is provided than is the casewith conventional sheet metal screws whoselast thread is not fully formed. Availablein Type A and 2, in production quan-tities in non-countersunk heads. Completedata from Parker-Kalon…
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