Caption

Six microscopic enlargements of minerals, page, photomechanical print, Image 1 is enstatite, 2 is olivine, 3 is nepheline basalt, 4 is basalt, 5 is olivine and 6 is olivine., number: '1, 6', number: 'Tafel XVIII', 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 vertically oriented page shows six circular black-and-white photomicrographs arranged in two columns and three rows, each circle containing varied textured patterns and shapes resembling mineral or rock thin-section textures; the top left circle has a central elongated rectangular shape with rough surrounding granular texture, the top right circle shows a large irregular light area adjacent to darker textured regions, the middle left circle contains a complex mix of lighter and darker angular fragments within a speckled matrix, the middle right circle features a large pale angular grain with internal cracks set in a darker rim, the bottom left circle displays a darker irregular central inclusion surrounded by speckled material, and the bottom right circle exhibits intersecting dark lines over lighter fractured and patterned areas; there are small numeric labels beneath each circular image and faint printed content at the very top and bottom edges of the page.

Credit line

Photo12/Liszt Collection

Reference

LZT26B00_208

License type

Rights managed

Available size

43.4Mb (8.2Mb) / 10.3in x 16.4in / 3089 x 4911 (300dpi)

Keywords

Six microscopic enlargements minerals page photomechanical print Image 1 enstatite 2 olivine 3 nepheline basalt 4 basalt 5 6 number 1 Tafel XVIII 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 vertically oriented six circular black- -white photomicrographs arranged two columns three rows circle containing varied textured patterns shapes resembling mineral rock thin-section textures top left central elongated rectangular shape rough surrounding granular texture top right circle large irregular light area adjacent darker regions middle left contains complex mix lighter darker angular fragments within speckled matrix middle right features large pale angular grain internal cracks set darker rim bottom left displays darker irregular central inclusion surrounded speckled material bottom right exhibits intersecting dark lines lighter fractured patterned areas small numeric labels beneath circular image faint printed content bottom edges page