In the 1430s, Johann Gutenberg invented a device to allow those in the back of a crowd to see over other people. The first naval periscope was invented in 1854 by Hippolyte Marie-Davy.Continue Reading
During World War I, some rifles had a periscope attached to allow soldiers to view the area outside the trench. Periscopes are also used in armored vehicles to allow the personnel in the vehicle to remain under cover while viewing the situation in the surrounding area. Rudolph Gundlach patented a rotary periscope for use in tanks in 1936.
The word periscope is derived from the Greek words, peri and scopus, meaning "around" and "to look."Learn more about Inventions
Some accounts point to Charles Fredrick Wiesenthal of Germany, who received a patent in 1755 in England for a double-pointed mechanical needle device, as being the first to pioneer technology that would lead to the invention of the sewing machine. While not quite a machine, this was the first successful attempt at sewing performed by a mechanical device. The credit for an actual sewing machine is given to Thomas Saint, in the year 1790 in England.Full Answer >
The Slinky's inventor, Richard James, was initially working on a device that would keep equipment steady on ships when he discovered the coil's unusual movements. James's creation is an example of an "accidental" invention borne our of a completely different intent.Full Answer >
The first camera was the camera obscura, a device that used a lens or small hole to project an image onto a screen inside the camera. It was invented around 1000 A.D. by the scientist and inventor Alhazen. Modern photographic cameras are descended from the camera obscura.Full Answer >
In 1733, John Kay invented the flying shuttle, a device that allowed weavers to weave faster. The original shuttle required two weavers to throw it, but since the flying shuttle was operated by a lever, it required just one weaver.Full Answer >