Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
In the early 1960's, Porsche commercially manufactured farm tractors.
24
Energy is being wasted if a toaster is left plugged in after use.
21
Castor oil is used as a lubricant in jet planes.
-5
Whale oil was used in automobile transmissions as late as 1973.
56