The Great Windmill War

In the late 1800s, competition was fierce and windmill companies were waging war on each other

The U.S. Wind Engine & Pump Co. gave away these trade cards at the 1876 Centennial Exposition in Philidelphia, where Daniel Halladay's folding-blade windmill design won a gold medal.
The U.S. Wind Engine & Pump Co. gave away these trade cards at the 1876 Centennial Exposition in Philidelphia, where Daniel Halladay's folding-blade windmill design won a gold medal.