Heliography & Physautotype Manual by Howard Efner

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Heliography & Physautotype Manual by Howard Efner

$20.00

Howard Efner’s how-to guide to the esoteric physautotype process, a system developed by Daguerre and Niepce which pre-dates the invention of photography. The physautotype produces ghostly images on glass or metal plates using pine rosin, lavender oil and alcohol.

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