It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
In the early 1960's, Porsche commercially manufactured farm tractors.
24
Kleenex tissues were originally used as filters in gas masks.
46
The first alarm clock could only ring at 4 a.m.
120
The life boat was patented in 1845!
29
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12