Computer keyboards followed the steps of typewriter keyboards. The positioning of the character keys is similar to the keyboard of a typewriter. The Sinhala keyboard layout is based on the Wijesekara typewriter for Sinhala script. The office contained a desk with radio and telegraph equipment, typewriter, and a telephone. Daisy wheel printers operate in much the same fashion as a typewriter. Composer typeballs physically resembled those of the Selectric typewriter but were not interchangeable. He introduced the "telegraph typewriter" or teletypewriter into newsrooms in 1914. Items include manuscripts, editions of all his books, his violin, typewriter, and desk. Many doubted that a Chinese typewriter could be invented. The letters are wider than Lucida Sans Typewriter. They were made with piano accompaniments for HMV/EMI's forerunner, the Gramophone & Typewriter Limited. Several typewriter and typography experts soon concluded that they were forgeries. It was mimeographed with stencils cut on an elite manual typewriter. The professional contests had typists sponsored by typewriter companies to advertise their machines. It was written on a portable typewriter that belonged to his wife.