Although the use of a periscope to look over the heads of a crowd was first known around 1430 the first person to patented it was Morgan Robertson, around 1920.
Tim Westergren invented Pandora.
Who invented the wide area network
he invented the first raditotelescope in the Philippines
Arnold August Petronella Marie d'Hondt invented the laminator.
American Ivan Sutherland invented CAD in 1961.
The periscope was invented in 1450 by Johann Gutenberg.
The periscope was invented in 1450 by Johann Gutenberg.
The periscope was invented in 1450 by Johann Gutenberg
in submerine
Gutenberg didn't invent the periscope. He invented the printing press. The periscope was invented by Sir Howard Gruff in Dublin, Ireland in 1865.
A periscope
The periscope was invented by John Gutenberg so that the Pilgrims could see over the heads of his fellow peers at a religious festival to watch a concert.
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
The periscope was invented in the year 1854 by French inventor Hippolyte Marié-Davy.
To help see an object behind an obstacle.
Simon Lake is attributed with the invention of the Periscope in 1902. However, Sir Howard Grub is known for perfecting this design.
in 1999 SIMON LAKE invented it and SIR HOWARD GRABB perfected it