Beam-sling
A sling with its upper end forged to fit the beam used, the lower end being made to two diameters; the larger one for passing over the collar of the trunnion, the smaller to fit the body of the same. See SLING; BEAM; TRUNNION.
Twelve hundred entries from the golden age of cast metal — how bells are founded, why brass is not bronze, what a cupola melts and a core withstands — by Simpson Bolland, the trade's great teacher.
A sling with its upper end forged to fit the beam used, the lower end being made to two diameters; the larger one for passing over the collar of the trunnion, the smaller to fit the body of the same. See SLING; BEAM; TRUNNION.