Calculator to the development of electronic calculators. The Casio Computer Company, in Japan, released the Model "14-A" calculator in 1957, which was the world's first all-electric (relatively) compact calculator. It did not use electronic logic but was based on relay technology, and was built into a desk. In October 1961, the world's first "all-electronic desktop" calculator, the British Bell Punch/Sumlock Comptometer ANITA (A New Inspiration To Arithmetic/Accounting) was announced. This machine used vacuum tubes, cold-cathode tubes and Dekatrons in its circuits, with 12 cold-cathode "Nixie" tubes for its display. Two models were displayed, the Mk VII for continental Europe and the
Yamaha electric guitar models Yamaha electric guitar models The is a multinational corporation and conglomerate based in Japan with a wide range of products and services, predominantly musical instruments, motorcycles, power sports equipment and electronics. Yamaha, a company that is known for having an extensive broad range of products, from motorcycles to musical instruments, produces electric guitars models since 60's. It follows a compilation of these products. In 1967, Yamaha have changed the series # from S to SG series. Yamaha began using the "SG" (solid guitar) prefix for their solid bodied guitars when they introduced their first solid-body model in 1966 and continued