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Richard Rallison was a pioneer in exploring the use of dichromated gelatin in holography. He chronicled many of his findings and wisdom on the Ralcon Development Labs web site. Ralcon Development Labs in operation, and with the untimely death of Rallison, his postings might have been lost forever had it not been for the [[ Internet Archive Wayback Machine]].
Articles indexed below were retrieved from the Wayback Machine.

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