Product Code:
HA-PHET-0058
Description:
Cast metal bridge mounted on tripod stand adjustable for height & having a leveling knurled head screw fitted on one foot.
Specification:
The bridge has raised end pieces to which are screwed small metal
blocks securing either end of a plated steel torsion wire. One block
disc slotted to facilitate adjustment for torsion of the wire by means
of screw passing through the end piece. At the centre of the wire, a
small clamp is fitted carrying a light weight metal pointer with an
adjustable counterpoise. From a notch near the tip of the pointer is
suspended a small weight pan with a hook fitted to its underside, to
hold either wire frame or a metal clip carrying a glass microscope
slide. The tip of the pointer moves over a graduated vertical scale
complete with set of weights.
