Chorded keyboard (a writing system for the blind) uses either 6 or 8 tactile 'points' from which all letters and numbers are formed. When Louis Braille invented it, it was produced with a needle holing successively all needed points in a cardboard sheet. In 1892, Frank Haven Hall, superintendent of the Illinois Institute for the Education of the Blind, created the Hall Braille Writer, which was like a typewriter with 6 keys, one for each dot in a braille cell. The Perkins Brailler, first manufactured in 1951, uses a 6-key chord keyboard (plus a spacebar) to produce braille output, and has been
Dot and the Kangaroo (film) Dot and the Kangaroo (film) Dot and the Kangaroo is a 1977 Australian film which combines animation and live-action. It is based on children's literature book "Dot and the Kangaroo" by Ethel Pedley. When 5-year-old Dot finds herself lost in the Australian bush, a red kangaroo who has lost her joey (baby kangaroo), promises to help Dot find her way home. In the process, the kangaroo introduces Dot to a number of other animals, teaching her a greater appreciation for nature. Yoram and Sandra Gross wanted to make an Australian animated feature for the world market. They read a series