Nomenclature; illustrations of form of rigs with typical head fitting of blocks; estimates of rope tensions; typical load diagrams; union purchase rig; estimating loading on various components; safe working loads of slewing guys for swinging derricks; single sheave block safe working loads; care and maintenance.
Published: 09/30/1976 ISBN(s): 0580091821 Number of Pages: 36File Size: 1 file , 1.7 MB Product Code(s): 00109984, 00109984, 00109984 Note: This product is unavailable in United Kingdom