Six microscopic enlargements of minerals, page, photomechanical print, Image 1, 2 and 3 is biotite, 4, 5 and 6 is ottrelite., number: '1, 6', number: 'Tafel XXII', photographer: Emil Cohen, Greifswald, cliché maker: J. Grimm, Offenburg, c. 1880 - in or before 1885, Baden-Württemberg, Mecklenburg-Vorpommern, paper, collotype, photoprint, height 233 mm x width 149 mm, minerals and metals, A vertical sheet showing six circular grayscale close-up images arranged in two columns and three rows against a light background, each circle containing textured, granular or fibrous patterns and irregular dark shapes within varying contrast; the top left circle displays a mostly dark textured area with lighter fringes, the top right circle shows lighter mottled texture with two elongated dark, striated fragments, the middle left circle contains a rectangular dark block set against a speckled background, the middle right circle features several angular, faceted dark forms amid a lighter speckled field,...
Légende

Six microscopic enlargements of minerals, page, photomechanical print, Image 1, 2 and 3 is biotite, 4, 5 and 6 is ottrelite., number: '1, 6', number: 'Tafel XXII', photographer: Emil Cohen, Greifswald, cliché maker: J. Grimm, Offenburg, c. 1880 - in or before 1885, Baden-Württemberg, Mecklenburg-Vorpommern, paper, collotype, photoprint, height 233 mm x width 149 mm, minerals and metals, A vertical sheet showing six circular grayscale close-up images arranged in two columns and three rows against a light background, each circle containing textured, granular or fibrous patterns and irregular dark shapes within varying contrast; the top left circle displays a mostly dark textured area with lighter fringes, the top right circle shows lighter mottled texture with two elongated dark, striated fragments, the middle left circle contains a rectangular dark block set against a speckled background, the middle right circle features several angular, faceted dark forms amid a lighter speckled field, the bottom left circle presents a horizontal banded dark area flanked by dense granular texture on one side, and the bottom right circle shows a central elongated dark cluster with surrounding speckling.

Crédit

Photo12/Liszt Collection

Notre référence

LZT26B00_213

Licence

Droits gérés

Format disponible

41.3Mo (8.8Mo) / 25.9cm x 39.9cm / 3063 x 4708 (300dpi)

Mots clés

Six microscopic enlargements minerals page photomechanical print Image 1 2 3 biotite 4 5 6 ottrelite number 1 Tafel XXII photographer Emil Cohen Greifswald cliché maker J Grimm Offenburg c 1880 - 1885 Baden-Württemberg Mecklenburg-Vorpommern paper collotype photoprint height 233 mm x width 149 mm metals vertical sheet showing six circular grayscale close-up images arranged two columns three rows light background circle containing textured granular fibrous patterns irregular dark shapes within varying contrast top left circle displays mostly dark area lighter fringes top right circle lighter mottled texture two elongated striated fragments middle circle contains rectangular block set speckled background middle right circle features several angular faceted forms speckled field bottom circle presents horizontal banded area flanked dense granular texture side bottom right circle central elongated cluster surrounding speckling

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