In the early 1960's, Porsche commercially manufactured farm tractors.
24
The electric chair was invented by a dentist!
122
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
The life boat was patented in 1845!
29
The first alarm clock could only ring at 4 a.m.
120
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60