Chemistry of pulp and paper making . Plate 22 Tulip-tree {Liriodendron lidipifera) Magnification 100 diameters. Photographed by Bureau of Plate 23 Sweet Gun. iL^,,a,„, ,^,^^) Magnification .00 dian^eters Photographed by Bureau of Standards.

---

Size: 1594px × 1568px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1920, booksubjectpaperma, bookyear1920