Sharp Corporation, of Japan.
Throughout the years that electronic calculators have been manufactured Sharp has been a pioneer at the forefront of their development.
Tokuji Hayakawa established a metal works in Tokyo in 1912, and in 1915 invented the "Ever-Sharp Pencil", from which the "Sharp" name is derived. In the 1920s the company started manufacture of radio sets, and followed on in the 1950s with the manufacture of television receivers.
The Hayakawa Electric Industry Company, as it was called, became more involved in electronics, and in 1964 produced one of the first transistorised electronic desktop calculators, the first of Japanese manufacture, the Sharp CS-10
Our model is belived to be a 1976 model with a serial number of 49014612
This was very kindly donated by Dave Joyner on behalf of his father Joe Joyner.
