Mrs. Johnson's Class Invention Timeline

Pencils have been a ancient Roman stylus. It was a thin metal stick they were used for scrating on papyurs which is often made of lead. This word comes from Latin word penicillus which means little tail. In 1564 an enomous despite.

Hot air balloon were first to carry passengers from place to place. The first hot air balloon were paper bags with a smoky fire built on a grill attached to the bottom. After that the invention of hydrogen balloon. Hot air ballooning faded in to obscurity until being reborn in the 1960.

American Sign Language was invented by Thomas H. Gallaudet. It was invented in 1817. American Sign Language is a language used by deaf people. It is a language were you use your hands to communicate. It was first considered a world language in 1988.

The inventor of this or the man who had the original idea was Baron Karl de Drais de Saverbrun. But no one really can be the inventor of the bike,because so many people had the idea and so many people have made different designs too. A French man had a idea though to one huge tire in the front and two smaller wheels in the back[also known as a tricycle] it helped with balance so citizens can have a easy time to ride. But another man had the idea to put to huge wheels in the front and back but it wasn't best for balancing so the citizens had a hard time to ride but eventually learned. After that they improved bikes,than later started the Tour De France. They made different type of bikes like Racing bikes,Mountain bikes,and Hybrid bikes.

Louis Braille created Braille for people who were visually impaired. Louis created this type of language because he was blind too. This helped a lot of people that were blind. Even people who weren't blind wrote letters to blind people with Braille. Braille was created such a long time ago, almost 200 years, and is still being used today.

Chewing gum was made by Thomas Adams. It was first made out of chicle, a natural latex product. Then they changed it to petroleum based on plastic instead of chicle. William Semple filed the first patent on chewing gum, in 1869. Gum comes in a variety of flavors, depending on location and is most often chewed for flavor. Some gums are made for whitening teeth, clean teeth, or freshen breath. Bubble gum was made espically made for blowing bubbles. Hope you learned some new things about gum.

Thomas Edison invented the phonograph. This was his first invention. The phonograph was the first machine that could record and reproduce sound. After he invented the photograph, he started wondering if he could record a telephone message. If it wasn't for the phonograph, we would not have the following inventions; CD player, ipod, radio, record player.

The automobile was invented because people always traveled by foot or horse. But then one day a man named Karl Benz was like "People should travel by wheels instead of foot or horse because it takes to long for people to travel long distances for instance from Illinois to Wisconsin would take to long by horse or foot ." Then he invented the automobile.

The idea of the movie camera was actually presented by Eadweard Muybridge but Thomas Edison and William K.L. Dickson invented it. When Muybridge gave Edison the idea, he turned it down, but soon he and Dickson did create it. His first camera was called the Kinetograph. It took a sequence a photos in order to give the illusion of motion when the photos were played back very fast. His first film was called "The Black Maria" and was completed in 1893.

Air conditioner has kept people hot if it's cold outside, and cold if it's hot outside. This invention is one of the most popular inventions, what would you do without air conditioning ?! Although you may not think of it air conditioning is really important. Have you ever walked into a building and it's really warm or cold? That's air conditioning!