RAY BOX SPARE, SINGLE/ DOUBLE SLIT PLATE
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Description
An exceptional value metal cased ray box with the
light source mounted under an adjustable, plastic,
sliding lid. Requires 12V (a.c. or d.c.) power supply
which is connected to two 4mm sockets on the
raybox. Light source: 12V 10W line-filament bulb,
length 43mm.