To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Any modern jet is capable of breaking the sound barrier.
34
Kleenex tissues were originally used as filters in gas masks.
46
The United States produces enough plastic film annually to cover the entire state of Texas.
13
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
Originally, BMW was an airplane engine manufacturer.
69
The life boat was patented in 1845!
29