MS-116 PVG SCREW JACK

To demonstrate the principle of the screw jack and to determine the
relationship between friction and mechanical efficiency.
Comprises a heavy cast iron base supporting a steel screw jack. Top
of the jack carries an aluminum pulley of dia. 100 mm. Another
smaller pulley of dia. 38 mm. with rod is held by a bosshead to the
rod for guiding the cord from the main pulley. Overall height
approx. 200 mm.
Supplied with cord but without masses.