By critical angle method, A metal bridge fitted with air cell holder, knob and graduated circular scale, with one air cell, 50 x 50 mm size
1. Apparatus Without Tank
2. Transparent Tank for Apparatus.
3. Size 70 x 70 x 70 mm
Dissecting Magnifiers mounted on metal base horse shoe shape wrinkle painted with universal ball and socket arrangement for adjustment of the lens according to the position required.
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