Interested in disability history? Check out what happened Today in AT History!
April 2
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Contents |
Technology
- 1889 - Charles Martin Hall receives a patent for an electrolytic method of producing aluminum cheaply, bringing the metal into wide commercial use in products including wheelchairs and portable ramps (and some bowling ramps). [1] [2]
Sports
- 1963 - Harold J. Steel is granted the first U.S. patent(3,083,967) for a wheelchair bowling ramp.[3]
Births
- 1824 - Thomas Rhodes Armitage, founder of the Royal National Institute of Blind People (RNIB). [4]
Deaths
- 1872 - Samuel F. B. Morse, inventor of the telegraph dies. To send messages over the telegraph, he developed a code of dots and dashes to represent each letter. Today, some people with disabilities use one or two switches and “Morse code” to type on a computer. [5]
References
- ↑ Charles Martin Hall. National Inventors Hall of Fame. Accessed March 7, 2008.
- ↑ Manufacture of Aluminium. U.S. Patent #400,665. April 2, 1889.
- ↑ Steel Sports Aparatus. U.S. Patent 3,083,967. April 2, 1963.
- ↑ Thomas Rhodes Armitage - RNIB's Founder. Royal National Institute of the Blind. Accessed March 10, 2008.
- ↑ Samuel F. B. Morse. Locust Grove, the Samuel Morse historic site. Accessed March 13, 2008.
