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Handbill for The opalgraph, E.R. Perkins, photographic and copying artist, 238 Essex Street, Salem, Mass.
9 x 5 ins
Historic New England
Ephemera collection, EP001, GUSN 265630
Perkins claims to be the inventor of the opalgraph which results in a durable picture. Opalgraphs can be made from daguerreotypes, ambrotypes, tintypes or any other photograph.