Crosby Engineering Co
of 23 Crosby Row, Long Lane, London, SE1
- Manufacturers and suppliers in Great Britain.
1937 Case-hardening specialists and wire rope clip manufacturers.
1984 Company removed from the register of companies
According to the Crosby website:[1]
1880s Produced the forged wire rope clip
1925 Produced wire rope guards on sheaves that can be opened for easy reeving
1958 Forge load rating (working load limit) directly onto product
1973 Quench and temper fittings for more reliable performance
1977 Forge Product Identification Code (PIC) into each product that allows traceability to its respective date of production and material certification
1991 Rate products as Fatigue Rated
1992 Forge patented QUIC-CHECK™ markings into hooks, shackles, and various other rigging products to assist users in determining proper use
1996 Produced a crane block that can be reeved without removing the wedge socket from wire rope in the United States