| http://www.w3.org/ns/prov#value | - I claim: In an illuminated readout device, the combination comprising: a plurality of transparent plates, each having a plurality of apertures in the end portions thereof and a symbol engraved in one surface between said end portions, similarly positioned apertures in all plates being aligned to form sockets for light bulbs, all apertures except one in each plate being coated with an opaque reflec
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