BS 1761:1951

Excavators up to 2½ cubic yards bucket capacity, mounted on tracks, all motions friction-driven. Defines and illustrates face shovels, drag lines, drag shovels, skimmers, grabbing cranes, cranes and pile drivers. Data on safety factors, ability, controls, power units, electrical equipment, testing.Cross References:BS 7BS 15BS 32BS 46BS 168 BS 302BS 310BS 436BS 482BS 545BS 548BS 591BS 621BS 649BS 693BS 721BS 765BS 825BS 938 BS 968BS 970BS 980BS 1083BS 1116BS 1400BS 1452BS 1486:Part 1BS 1775BS 1856BS 3100Factories Act, 1937Factories Act, 1948Mines and Quarries Act, 1954Electricity Regulations 1908Docks Regulations 1925Shipbuilding Regulations 1931Docks Regulations 1934Cranes and other Lifting Machines (Register of Examinations) Order 1938Chains, Ropes and Lifting Tackle (Register) Order 1938 Electricity (Factories Act) Special Regulations 1944Building (Safety, Health and Welfare) Regulations 1948Coal and other Mines (Electricity) Regulations 1956Miscellaneous Mines (Electricity) Regulations 1956Quarries (Electricity) Regulations 1956IEE Regulations for the Electrical Equipment of Buildings