(Complete with working Manual) Demonstrates basics of light like reflection, reflection, deviation of light etc.
Sipplied with Ray Box, Set of Acrylic Shapes, etc.
Pocket type magnifier mounted in single body with a metal cover which doubles as a handle fitted with a single lens of diameter 18 mm with a magnification of x 10.
Brass dial head 40 mm diameter divided and marked in 100 divisions, vertical scale 10-0-10 mm, fitted on heavy brass disc, with 3 pointed legs, distance between legs 40 mm.
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