Balance, Roberrval

General purpose balance for student use. Cast alloy beam fitted with balancing nuts, agate bearings and knife edges. The hangers have double hooks for specific gravity experiments. Detachable nickel plated brass pans, enamelled central pillar, and plumb line, mounted in polished wooden case with levelling screws Capacity 250 gm, sensitivity 2 mg.

A simple single pan balance with two ranges 0-250 x 1 gm and 0-1000 x 5 gm. Die cast aluminum alloy frame, other parts are chrome plated. With leveling screw to set zero and a pointer for reading without parallax error. With detachable pan having a hook for experiments on specific gravity.