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RAY BOX RAYMOND
An inexpensive ray box designed specifically for primary and lower secondary use. The ray box is housed in an ABS case with fixed slits – one single slit and one set of triple slits allowing two groups to work simultaneously. Raymond also has in-built primary colour filters which, with the use of two plane mirrors, allow the overlapping colour mixing discs to be projected. Operates on 6 V AC or DC Comes complete with two plane mirrors and a spare lamp.!…
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