Torsion Apparatus

Searles horizontal pattern. Two cast iron feet each with three through holes and grub securing screws separated by two rods approx. 700 mm long. one of which is graduated, Wheel 165 mm diameter, over groove, moving in ball bearings, mounted on rear foot, with spindle carrying split collet chuck for holding one end of test rod, other end supported with clamping block through ot foot. With two aluminium scales graduated 30-0-30 degrees mounted on pillar supports, two pointers with clamps attaching to specimen, one each brass and steel rods 5r diameter, cord and hook for carrying masses, but without masses.