Left to right: Harriet Tubman; Gertie Davis (Tubman’s adopted daughter); Nelson Davis (Tubman’s husband); Lee Cheney; “Pop” Alexander; Walter Green; Sarah Parker (aunt); Dora Stewart (granddaughter of her brother John Stewart). Ca. 189-. Comment Vintage Source
Raft of blanket boats ferrying field artillery and men over the Potomac River in Virginia, July 1863. Photograph by A.J. Russell. Comment Vintage Source
Using a two-horn listening device at Bolling Field in Washington, D.C., in 1921 before the invention of radar, to listen for distant aircraft. Comment Vintage Source
A Panhard Armored Reconnaissance Vehicle (EBR) of the French Foreign Legion patrols the Sahara desert, through the mountainous massifs of Djanet, Algeria, in February 1958 Comment Vintage Source
