. Bulletin. Science; Natural history; Natural history. c O 300 0) 200 E Chromium 70 72 74 76 78 80 82 84 86 88 90 92 70 72 74 76 78 80 82 84 86 88 90 92 C 200 o o E 1 00 o Copper W 120 c o » 8 0 *^ E Lead. 70 72 74 76 78 80 82 84 86 88 90 92 70 72 74 76 78 80 82 84 86 88 90 92 w C 1000 O N Zinc. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Southern California Academy of Sciences. Los Angeles, Calif. : The Academy

---

Size: 1761px × 1419px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, booksubjectnaturalhistory, booksubjectscience