The BEST episodes written by Mary Wallace
6.78
9 votes
#1 - Assembly Line
Modern Marvels - Season 6 - Episode 29
The history of how assembly lines revolutionized the modern world which can help manufacture anything from a small electronic to a jumbo jet.
1.00
1 votes
#2 - Airships
Modern Marvels - Season 4 - Episode 26
They are among the most romantic machines ever built, enormous craft held aloft by lighter-than-air gas trapped beneath their vast skins. In the 20th century, they have played a vital role in war, transportation and commerce and been involved in one of the most famous tragedies of all time.