Tube showing 140 grams of powder, illustrating total estimated quantity of high purity radium in the world, of which the Standard Chemical Co. of Pittsburgh produced 72 grams, circa 1921
105790
Tube showing 140 grams of powder, illustrating total estimated quantity of high purity radium in the world, of which the Standard Chemical Co. of Pittsburgh produced 72 grams, circa 1921
1921-11, approximate
Glass negatives
5 x 7
United States
American Museum of Natural History Library
Information on rights available at the repository.
105790
American Museum of Natural History
Collection
Citation
Unknown (photographer), “Tube showing 140 grams of powder, illustrating total estimated quantity of high purity radium in the world, of which the Standard Chemical Co. of Pittsburgh produced 72 grams, circa 1921,” AMNH Research Library | Digital Special Collections, accessed January 21, 2025, https://lbry-web-007.amnh.org/digital/index.php/items/show/84173.