who invented mechanical pen?
Answers
From the given question the correct answer is:
the mechanical pen is invented by Conrad Gesner in 1565.
Conrad Gesner is a bibliographer and a swiss naturalist
Mechanical pens are used to provide lines of equal width without sharpening in technical drawing and in quick, neat writing.
They have also been used for fine-art drawing
Hence, they do not have to be sharpened.
they are also very popular with students.
Answer:
1. The invented mechanical pen object is Slavoljub Eduard Penkala, Croatian.
2. In fact, it is thanks to his surname that pen in Croatian, is called Penkala.
3. It was in 1906 that Slavoljub Penkala created the first mechanical pencil, and he still had a lot more to contribute to the world.
4. He was born as Eduard Penkala in 1871 in Liptovsky Mikulas in today's Slovakia.
5. Already in his earliest years, Penkala demonstrated his interest in natural and technical sciences: physics, chemistry, theoretical and practical mechanics, and their application in practice.