The mater (Latin for "mother") served as the base of an astrolabe. This circular plate, usually made of brass, stretched about 6 inches (15 centimeters) in diameter and a quarter-inch thick. Its center was hollowed out so one or more plates could sit on top, nestled in the depression....
who made a globe of silver sphere weighing 400 kilograms for King Roger II of Sicily. Some scholars regard him as the greatest geographer and cartographer of the Middle Ages. He also made original contributions in medicinal plants.
Who made the first map of India? James Rennell, (born Dec. 3, 1742, Chudleigh, Devon, Eng. —died March 29, 1830, London), the leading British geographer of his time. Rennell constructed the first nearly accurate map of India and published A Bengal Atlas (1779), a work important fo...
The compass was invented between 300 and 200 BC, more than 2,000 years ago in China, during the Hang Dynasty. These compasses were made with small...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your ...
Founded in 1264, Merton has the oldest medieval library in use. J. R. R. Tolkien is said to have spent many hours here writing The Lord of the Rings. One of the college’s treasures is an astrolabe(星盘),thought to have belonged to Chaucer. The college has the most amazing collection...
A number of very important inventions were made in medieval times such as theSpinning Wheel, Stirrups, Astrolabe, Eyeglasses, Compass, Tidal Mills, Gunpowder and Printing Press. A large number of inventions came to be during the medieval period. ...