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Description
by Jay O. GlerumGlerum divided his final edition into four parts, each of which includes system and component descriptions, maintenance and operation instructions, and safety inspection procedures. Part 1 on hemp rigging describes single- and multiple-line systems. Part 2 is the counterweight section, and part 3 covers motorized rigging. Part 4 is devoted to specialized problems and their practical solutions. More than 100 excellent drawings and photographs supplement the text.