Torsion Apparatus

Searle's Horizontal pattern, two cast iron feet each with 3 through holes and grub securing screws, Separated by 2 supporting rods approximately 700 mm long one of which is graduated in cms and mms, wheel 165 mm dia, over groove moving in ball bearings, mounted on front foot, with spindle carrying split collect chuck for holding one end of test rod 55 cms long 5 mm dia, other end supported with clamping block through rear foot. With two aluminium scales graduated 30-0- 30 in single degrees, mounted onpillar supports, which are adjustable along the rod, two pointers with clamp for attaching to specimen, one each of Brass and Steel rods,