PHYSICAL BALANCE
ANALYTICAL BALANCE
BERANGER BALANCE
PERSONAL WEIGHING SCALE
DIGITAL BALANCE
POHL'S COMMUTATOR & REVERSING SWITCH
CHARGE & DISCHARGE KEY
RESISTANCE BOX DIAL TYPE
RHEOSTATS PORCELAIN TUBE
RESISTANCE BOX PLUG TYPE
POST OFFICE BOX PLUG TYPE
PLUG KEY
POTENTIOMETERS
METER BRIDGE
KOHLRAUSCH CONDUCTIVITY BRIDGE
DE-SAUTY'S BRIDGE
CALLENDER AND GRIFFITH'S BRIDGE
PLATINUM RESISTANCE THERMOMETER
REYLEIGH'S BRIDGE
ANDERSON BRIDGE
PORTABLE WHEATSTONE BRIDGE
KELVIN DOUBLE BRIDGE
DIGITAL PANEL METER
MILLIAMMETER, MICRO-AMMETER, VOLTMETER, MILLIVOLTMETER
