Having 300mm dia rotatable graduated screen & triple revolving nose piece.

Halogen bulb (12v 100W) with state variable light control built in transformer workable on 220V AC main.

Stage X-Y movement on ball bearing slides.

Having Micrometer (50mm dia) LC. 0.01 or 0.005mm Fixed magnification 10x to 80x.

Having both transmitted & incident light in card board box.