Made of polished wood size 7.5*60cm with frictionless pulley. Superior quality, adjustable with graduated cast aluminium arc, iron roller, glass plate and scale pan.
The convenience and versatility of this unit has made it very popular. It consists of 15*60cm. wooden board with glass top hinged on an iron base to which a sector with graduated arc and vertical scale is provided. The plane may be clamped at any angle upto 45 degree. A 5cm dial frictionless pulley to attach to the end by means of a clamp adjustable to any necessary position. Complete with brass roller, cart and pan, but without weights.
Same as above but brass parts.