details of rigging . The arrangement of plating and framing for wedging iron masts consists of a plate rivetted to the top of the deck beams , having a hole for the mast to pass through , the wedging surface being formed by angle - iron rings rivetted to the top and bottom of the plate round the… … Fig . 594 wedging plate for Masts . tive partner - plate frame . In Order to a , short tube for mast , b , Top plate . c , Bot - secure a more rigid frame for large masts plates are worked on the top and bottom of the deck beams and carlings , which are constructed of plate iron and angle irons or…
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