OPTICS
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77
Smoke lenses, set of 4
Optics experiments will never be the same without
smoked lenses once you have tried them. Students can
see the light as it passes through the lenses. Refraction
and internal reflection are observed with a clarity never
seen before. Especially well suited for experiments with
lasers. The set comprises 4 lenses 20 mm thick made of
a special acrylic resin: 2 convex lenses 50 and 100 mm
focal length, 1 prism 90°, 45°, 45° and 1 ea. rectan gular
block. 2912.00
2912.00 Smoked lenses, set of 4
Prism, equilateral 2985.00 2985.20 2985.30
Made of glass with polished faces. Triangle side 34 mm,
height 35 mm.
2985.00 Prism, equilateral
Newton’s prism
As item 2985.00 but with triangle side length 34 mm and
height 25 mm.
2985.10 Newton’s prism
Glass Prism, right angle
2985.15
Side lengths: 40 mm and 54 mm, height: 40 mm.
2985.15 Glass prism, right angle
Crown prism
Triangle side 30 mm, height 30 mm.
2985.20 Crown prism
Flint prism
Triangle side 30 mm, height 30 mm.
2985.30 Flint prism
2995.00
Prism four-sided
Four-sided prism with polished surface for experimen-
ting with path of rays in plan parallel objects. Dimension:
60 x 20 x 20 mm.
2995.00 Prism four-sided
3000.00
Prism, hollow 60°
Hollow prism with 3 mm glass lenses and detachable
top. Outer length 68 mm. Height 53 mm. For demon-
strating refraction in liquids.
3000.00 Prism, hollow 60°
®
Science Equipment for Education Physics
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