The Bentley Collection: Image 0554 - (:unkn) unknown (The Schwerdtfeger Library, Space Science and Engineering Center, University of Wisconsin-Madison, 2007)
P2g, Plate with dendritic extensions
Keywords: snow; snowflakes; ice crystals; photomicrographs; lantern slides; Bentley, W. A. (Wilson Alwyn), 1865-1931