Comprising a bar of iron 108mm long×11.5mm diameter mounted at its midpoint on a support rod fitted with a wooden handle, and a brass gauge 150×28mm with a cut out, with a wooden handle, which just admits the bar lengthways. Two holes are provided on brass gauge, which passes the circular bar endways when cold.

MECHANICS
SOUND
MEASUREMENTS & FLUID DYNAMICS
ELECTRICAL EQUIPMENTS
RESISTANCE COILS, OHM METER & P O BOXES
DANIEL, LECLANCHE CELLS & ACCESSORIES
CAPACITANCE/ POWER SUPPLY
MAGNETISM & ELECTROSTATIC
BRIDGES
OPTICAL SECTION
GLOBAL WARMING KIT/ SOLAR CELL
ELECTRONIC INSTRUMENTS
AUDIOVISUAL/ PORTRAIT/ PROJECTORS
MATHLAB