It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
The first alarm clock could only ring at 4 a.m.
120
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
The cigarette lighter was invented before the match.
210
Whale oil was used in automobile transmissions as late as 1973.
56
Any modern jet is capable of breaking the sound barrier.
34


