Photo 1: Drop speed of sand grains during floating tests; drawing No. 180 (6,5x4,5 cm; unknown) Photo 2: Graph for values CWenr for grains of sand and pure spheres; drawing nr. 179 (4,5x6,5 cm; unknown) Date: undated Keywords: charts, hover tests


Size: 2224px × 3145px
Photo credit: © BNA Photographic / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: