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2025-12-22 19:12:43 UTC

John Honniball on Nostr: Has anyone seen an electroluminescent display like this before? Made in 1984 by ...

Has anyone seen an electroluminescent display like this before? Made in 1984 by Phosphor Products Ltd, Poole, Dorset. Lights up orange/yellow at about 75V DC. But what was it for?