Illus. in: Witelo, De Natura, 1535. Reference copy may be in LOT 7007. This record contains unverified, old data from caption card. Caption card tracings: Rainbow; Light; Natural phenomena; Science; BI Works; RBD; Shelf.
Public domain photograph of laboratory, science, research, free to use, no copyright restrictions image - Picryl description
Picryl description: Public domain image of child labor, exploitation, children workers, economic conditions, free to use, no copyright restrictions.
Picryl description: Public domain image of a military aircraft, assembly line, industrial facility, 1930s aviation, free to use, no copyright restrictions.
Significance: Ward's Crossing Bridge is highly representative of the late nineteenth century era of metal truss bridge technology and the period of Arkansas history that saw the development of county road syste More