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Showing 421–435 of 2428 results
Gell filters with transmissions peaking at the primary and secondary colour wavelengths. For use in colour absorption, reflection etc. with ray boxes and projectors. Active area 35 × 25mm.
Transparent colored foil in a roll of 50 x 122 cm.
Transparent colored foil in a roll of 50 x 122 cm
Three sets of 6 colored plastic plates for illustration of color mixing.
Also called Newton’s disc.
In part one, three different length plastic I-beams are tested under compression to investigate their method of failure.
