
A postcard with 305 mm Italian howitzer, captured probably in 1917 by the German-Austro-Hungarian forces on the Isonzo Front. The gun carriage was known as a De Stefano carriage. Usually employed on rails, the wheels could however have tracks attached, as above, for use in rough terrain.

Control rooms under DC's Arlington Memorial Bridge, locked up and out of use since 1976. The drawbridge was last raised on February 28, 1961. (Atlas Obscura)

Scores of dime novels and movie and TV Westerns have portrayed Calamity Jane, the original Wild West woman, as an adventuresome, gun-toting hellion.
Although Calamity Jane has probably been written about more than any other woman of the nineteenth-century American West, fiction and legend have largely obscured the facts of her life.
In his lively, concise, and exhaustively researched biography, Author Richard Etulain traces the real person from the Missouri farm where she was born in 1856 through the development of her notorious persona as a Wild West heroine.

Illinois inventor Joseph Glidden strategically marketed his 1874 patent for barbed wire, which he named “The Winner,” to Texas Panhandle ranchers, and he found immediate success.