The periscope was invented in 1450 by Johann Gutenberg.
Gutenberg invented printing. About fifteen years before the invention of printing, he marketed a very early periscope. I think the question confuses these two facts. Gutenberg marketed a periscope in the 1430's, so pilgrims could see over the heads of people in the crowd. He actually may have invented it. I see no record of what it was called at the time, but the scientific naming conventions used in modern English would certainly give it the name periscope. There is a link below.
he didn't Johann Gutenberg did in the 1450s
The periscope was invented in 1450 by Johann Gutenberg. He invented the periscope so that people could see over people's heads in crowds. In World War I the design was perfected and used so that people could see up and around the corners from their hiding places
Early examples Johann Gutenberg, better known for his contribution to printing technology, marketed a periscope in the 1430s to enable pilgrims to see over the heads of the crowd at the vigintennial religious festival at Aachen. Simon Lake used periscopes in his submarines in 1902
printing press in 1478
Mainz, Germany
Priting spress
Johannes Gutenberg invented the printing press
Johannes Gutenberg invented the printing press around 1440 in Mainz, Germany.
No. He made the first printing press which changed the world.
Gutenberg discovered printing press and gunpowder fireworks. He also invented awesome things.
The periscope was invented in 1450 by Johann Gutenberg
The periscope was invented in 1450 by Johann Gutenberg.
did Johannes Gutenberg have any brothes and sisters
No. Steve Guttenberg is an actor. The inventor of the printing press was Johannes Gutenberg.
Johannes Gutenberg