Erecting shop, Baldwin Locomotive Works, Philadelphia, Pennsylvania, USA, 20th century. Artist: Keystone View Company
Erecting shop, Baldwin Locomotive Works, Philadelphia, Pennsylvania, USA, 20th century. Stereoscopic card. Detail
Solar evaporation, salt manufacture, Syracuse, New York, USA, 20th century. Artist: Keystone View Company
Solar evaporation, salt manufacture, Syracuse, New York, USA, 20th century. Collecting, draining and hauling salt. Stereoscopic card. Detail
Paper making machine, 1866. A print from Cyclopaedia of Useful Arts, Mechanical and Chemical, Manufactures, Mining, and Engineering, edited by Charles Tomlinson, Volume II, Virtue and Co, London, 1866