Casio (1s, 10s, 100s, etc ... ) had nine keys. Another distinguishing innovation was the use of a single display window instead of the three display windows (one for each argument and one for the answer) used in other calculators. Casio Computer Co., Ltd. was formed in June 1957. That year, Casio released the Model 14-A, sold for 485,000 yen, the world's first all-electric compact calculator, which was based on relay technology. In the 1980s, its budget electronic instruments and its line of affordable home electronic musical keyboard instruments became popular. The company also became well known for the wide variety
Space Age Electronics Space Age Electronics Space Age Electronics (SAE) is a manufacturing company specializing in fire protection equipment and accessories, located in Sterling, Massachusetts. Founded in 1963, the company is known for its fire alarm notification appliances. In 1970, Space Age Electronics introduced the first visual notification appliances, the AV32 and the AV34 light plate. They used relabeled Federal Vibratone 450D's for their series of 2DCD horns, which were often used with the AV32 or 34.Other popular horns used would be Wheelock 34T-24's, Wheelock 34's or speakers. These would also be used with horns made by other companies, generally Wheelock, Federal Signal,