Caption

Six microscopic enlargements of minerals, page, photomechanical print, Image 1 is augite, 2 is augite, 3 is amphibolite, 4 is quartz diorite, 5 and 6 is uralite., number: 'Tafel XXI', number: '1, 6', 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 black and white photographic images arranged in two columns and three rows, each circle containing textured, high-contrast patterns resembling irregular surfaces and layered structures with cracks, veins, and granular areas, the top left circle showing a dark irregular mass with vertical striations and mottled lighter areas, the top right circle displaying a round area with fine branching lines and cloudy lighter patches around it, the middle left circle containing layered plate-like shapes with crosshatched surfaces set against a darker background, the middle right circle featuring angular block-like forms with grid-like internal patterns on a lighter marbled field, the bottom left circle showing a roughly square textured patch with concentric ridges surrounded by a speckled border, and the bottom right circle depicting a central rounded rectangular area with a cracked, netlike texture amid a fragmented granular background.

Credit line

Photo12/Liszt Collection

Reference

LZT26B00_212

License type

Rights managed

Available size

40.5Mb (8.2Mb) / 10.1in x 15.6in / 3035 x 4667 (300dpi)

Keywords

Six microscopic enlargements minerals page photomechanical print Image 1 augite 2 3 amphibolite 4 quartz diorite 5 6 uralite number Tafel XXI 1 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 black white photographic images arranged two columns three rows circle containing textured high-contrast patterns resembling irregular surfaces layered structures cracks veins granular areas top left dark irregular mass vertical striations mottled lighter areas top right displaying round area fine branching lines cloudy lighter patches middle left layered plate- shapes crosshatched surfaces set darker background middle right featuring angular block- forms grid- internal patterns lighter marbled field bottom left roughly square patch concentric ridges surrounded speckled border bottom right depicting central rounded rectangular area cracked netlike texture fragmented granular background