In the 1920s, change was brewing right here in the USA - by industry barons secretly (or not-so-secretly) in league with Adolf Hitler's Nazi party.
Miraculously, the Chicago Avenue Pumping Station survived the great fire of 1875 due to a German immigrant fireman. Happily, local stereographic photo outfit Lovejoy & Foster produced a fantastic, painterly view of the great steam-powered pumping station within 4 years later.
While much is made of Pittsburgh's once-thriving steel industry, the importance of the city's glass industry cannot be understated - in 1900, a single Steel City firm produced 60% of the nation's plate glass. Take a peek inside the PPG facility in Tarentum, PA in 5 fantastic stereoviews from U&U!