In 1965, Silver-Reed, a Japanese manufacturer of knitting machines, branched into manufacturing portable typewriters. They hired GK Design Group to design their new portable, a simple, metal bodied compact typewriter. Within two years, Litton Industries, parent company of Royal Typewriter, began importing these machines in large numbers, and relabeling them as Royal portables for the American market, and Imperial for the British market. Silver-Reed portable typewriter. Image source: gk-design.co.jp The first of these portables to be introduced was the Royal Mercury, a compact, carriage-shifted portable typewriter, with a 44-key keyboard, touch adjuster, and a two-color ribbon. It was launched in 1966, and began to be heavily advertised in 1968. The Royal Signet, a simple portable, with a single-color ribbon, and a 42-key keyboard, was sold as a cheaper alternative. However, it appears from period advertising in the Seattle Times, that both models could be purchased for the s...