Légende

Six microscopic enlargements of minerals, page, photomechanical print, Image 1 is nepheline, 2 is andalusite, 3 is chiastolite, 4 is sillimanite, 5 is bronzite and 6 is enstatite., number: 'Tafel XVII', 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 vertically oriented page showing six circular grayscale photomicrographs arranged in two columns and three rows on a pale background, each circle containing distinct textured patterns; the top left circle shows a dark mottled field with a lighter square concentric pattern near its center, the top right circle displays a dense granular and fragmented texture with irregular light and dark patches, the middle left circle contains two lighter square shapes set against a speckled darker background, the middle right circle features sweeping linear striations and faint elongated fragments across a lighter ground, the bottom left circle exhibits vertical streaks and darker irregular shapes along the lower edge, and the bottom right circle reveals closely spaced vertical lines and a cracked, weathered surface appearance.

Crédit

Photo12/Liszt Collection

Notre référence

LZT26B00_207

Licence

Droits gérés

Format disponible

43.3Mo (8.9Mo) / 26.0cm x 41.7cm / 3075 x 4925 (300dpi)

Mots clés

Six microscopic enlargements minerals page photomechanical print Image 1 nepheline 2 andalusite 3 chiastolite 4 sillimanite 5 bronzite 6 enstatite number Tafel XVII 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 vertically oriented showing six circular grayscale photomicrographs arranged two columns three rows pale background circle containing distinct textured patterns top left dark mottled field lighter square concentric pattern near center top right circle displays dense granular fragmented texture irregular light dark patches middle circle contains two lighter square shapes set speckled darker background middle right circle features sweeping linear striations faint elongated fragments across lighter ground bottom circle exhibits vertical streaks darker irregular shapes lower edge bottom right circle reveals closely spaced vertical lines cracked weathered surface appearance