Palladium foil, one of two, from Michael Faraday's chemical chest
Palladium foil, one of two, England, 1820
Paper mount supporting two palladium foils from Michael Faraday's chemical chest, England, 1820.
Palladium foil, one of two, England, 1820
Palladium foil, one of two, England, 1820
Paper mount, used to support two palladium foils, England, 1820