Results for: 1685

What was invented in 1685?

In 1685, Denis Papin proposed placing paddlewheels, driven by steam, on a boat. However, his concept for how the force of the steam would be converted into mechanical energ (MORE)
In Science

What weighs 1685 pounds?

A Cal-Spa 2-Person Triangle Spa with 21 jets weight in at 1,685lbs when filled with water.
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