09/06/2024
Braille machine.
This is s machine used by the blind and visually impaired to equally take notes as others do.
*History*
The Perkins Brailler is a "braille typewriter" with a key corresponding to each of the six dots of the braille code, a space key, a backspace key, and a line space key. Like a manual typewriter, it has two side k***s to advance paper through the machine and a carriage return lever above the keys. The rollers that hold and advance the paper have grooves designed to avoid crushing the raised dots the brailler creates.
Although braille notation was designed for people who are blind or visually impaired to read, prior to the introduction of the Perkins Brailler, writing braille was a cumbersome process. Braille writers created braille characters with a stylus and slate (as developed by Louis Braille) or by using one of the complex, expensive, and fragile braille writing machines available at the time.
History
The first Braille writer machine was presented by Frank Haven Hall in 1892.
The original Perkins Brailler was produced in 1951[2] by David Abraham (1896–1978), a woodworking teacher at the Perkins School for the Blind that was dissatisfied with problems of the existing technology. The director of the Perkins School for the Blind, Gabriel Farrell, asked Abraham to create an inexpensive and reliable machine to allow students to more easily write braille. Farrell and Abraham worked with Edward Waterhouse, who was a math teacher at Perkins, to create the design for the Brailler.
In 2008, a lighter and quieter version was developed and launched. It also includes an erase key and an integrated carrying handle. The new model won the Silver Award in the 2009 International Design Excellence Awards.
The paper placement is achieved by rolling the paper onto an internal drum, unrolling it when the user presses a line-feed key, and using a clock-like escapement to move an embossing carriage over the paper. A system of six cams consisting of rod
