
A view of the Shot Tower in Baltimore, Maryland from the mid to late 1800s
The tower was used to produce “shot” or musket balls. The process included dropping hot molten lead from the top through a filter into a large tank of cold water at the bottom. The cooled and hardened droplets were then refined into ammo

Addie Laird, a 12 year old spinner in a cotton mill. North Pownal, Vermont. February 1910.

Building Scotland's Forth Bridge, March 9, 1889.

A police officer examines the remains of a German V2 rocket missile that hit London, England in September 1944

Galileo Galilei’s finger on display at the Museo Galileo in Florence, Italy. The finger was detached from Galileo's body by Anton Francesco Gori (Florence, 1691-1757, literate and antiquary) on 12 March 1737 when Galileo's remains were transferred from a small closet next to the chapel of Saints Cosmas and Damian to the main body of the church of Santa Croce where a mausoleum had been built by Vincenzo Viviani.