According to historians nobody knows who invented the viola.
Yes, instrument makers made violas in the 1500's, but no one knows for sure exactly when or by whome the viola was invented.
The eyeglass was invented first, in the 13th century. The magnifying glass was invented in the 13th century as well. The telescope was invented in the early 17th century, while the microscope was invented in the late 16th century.
cars were first invented in the late 19th century
the 17th century
Ipecac was first invented in the 18th century.
No, the first practical telescope was invented at the beginning of the 17th century.
The first iPod was released in 2001 - the 21st century.
Some believe it was invented in the first century BC.
The Chinese invented the first reel in the 12 th century.
Thomas edison invented the first bulb in 19th century......
20th century