![](http://www.alamy.com/thumbs/6/A9349999-C933-41E9-8603-D9BB050E372B/PWFEHB.jpg)
chemical treatment of raw materials, L. Burger 1872
Size: 3174px × 5000px
Photo credit: © Quagga Media / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: art, black, cut, draw, drawing, engraving, historical, illustration, illustrations, la, line, lineart, monochrome, technically, technik, techniquement, technisch, technologie, technology, vintage, white, wood, woodcut, woodengraving