76
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OPTICS
Optical disc
A 250 mm diameter white faced disc clearly marked at
every 5° and with crosshairs at 90° to mark the centre.
Supplied with 10 mm diameter rod, allowing the disc to
be rotated round the center. The optical disc is equipped
with a holder for plastic blocks.
2900.00 Optical disc
Optics kit
A complete set of acrylic prism/blocks and mirrors sui-
table for doing all of the classical optics experiments.
2900.00
Supplied complete in a partitioned storage box, which
solves two major problems with one blow. It is always
easy to check if the set is complete, and delicate lenses
and mirrors are not scratched or dented. All the acrylic
blocks are made of clear polished acrylic resin free from Acrylic plastic blocks
striae and bubbles. Bottom surface finished in white to
For refraction experiments. Clear, polished blocks, free
show ray tracks, 19 mm thick. The kit comprises the fol-
from striae and bubbles. Bottom surface finished in whi-
lowing items which may also be supplied separately:
te to show ray tracks. 19 mm thick.
2905.00/20/30/40/50/60 and the mirrors no. 2908.00
and 2910.00.
No. Type Dimension
2902.00 Optics kit
2905.00 Triangular block 90°, 45°, 80 x 56 mm.
2905.10 Triangular block Equilateral, side 64 mm.
2905.20 Biconvex block 79 mm, radius 205 mm.
2905.30 Biconcave block 79 mm, radius 205 mm.
2905.40 Rectangular block Side 75 x 25mm.
2905.50 Semicircular block 80 mm diameter.
2905.60 Trapezoidal prism. Total Length: 100 mm
2902.00
2908.00 Plane mirror Glass, back-silvered,
mounted on a hardwood
cube. Side length 90 mm.
2910.00 Cylindrical mirror Made of nickel-plated
brass. Side length 110 mm.
2905.10
2905.30
2905.00
2905.20
2908.00
2910.00
2905.40 2905.50
2905.60
®
Science Equipment for Education Physics
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