The Medieval Legacy

Medieval Inventions Than Changed the World (1x35)

:

Among landmarks of medieval technology, trace the development of mechanical clocks, a seismic shift in the measurement of time, and of the majestic clocktowers that graced medieval cities. Follow the 13th-century emergence of eyeglasses in northern Italy, and of maritime charts that revolutionized global navigation. Then, witness the introduction of cannons and handheld firearms into warfare.