The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
Any modern jet is capable of breaking the sound barrier.
34
The electric chair was invented by a dentist!
122
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Jumbo jets use 4,000 gallons of fuel to take off.
19
Kleenex tissues were originally used as filters in gas masks.
46