When Islamic astronomers picked up Theon's treatise on astrolabes, they saw their value immediately. They began making and using the instruments — and composing their own manuals. The first astrolabe guides written in Arabic appeared in the eighth century. By the 11th century, the devices began...
It was certainly one of the first inventions made by our deepest, oldest human cousins, walking,. And it was probablyinvented in Africa. This thought comes to mind looking at this great photo of the Empire Air Day, being celebrated in England in May 1938. How were lenses first made? Duri...
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 ...
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 of medieval colored glass in Oxford. Bodleian Library The Bodleian...
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...