IT CONSISTS OF A CONDENSER, A LIGHT SOURCE AND MEASURING MICROSCOPE ALL MOUNTED ON COMMENT PLATFORM.

A STRONG PILLAR MOUNTED ON A HEAVY BASE CARRIES MICROSCOPE AND LAMP HOUSE. AN OIL CONTAINER WITH A PUMP IS PROVIDED AT THE TOP OF THE PILLAR AND OIL DROPS PASS THROUGH A HOLE IN THE PLATE (PLACED JUST BELOW THE OIL CONTAINER). THE MICROSCOPE HAS UP- DOWN AND SIDEWAYS ADJUSTMENT KNOBS PROVIDED WITH POWER SUPPLY.