<br> The early keyboards used had been Baudot's five-key "piano" keyboards (each key corresponding to one of many bits of the code, and therefore to one gap in every column of holes on the tape). Later keyboards had been like a typewriter and used Murray's 1901 modification of the Baudot code. In 1896, they allowed any code provided it was first submitted for approval and the words added to the official dictionary. Whitelaw's could possibly be used to generate four hundred million codewords by running any two 5-letter phrases collectively to make a still pronounceable ten-letter word. Between 1930 and 1934 the deficit fell from over £1 million to £650,000. Automation, closing uneconomic strains, and workers rationalisation diminished, but didn't get rid of, the deficit on the telegraph service. In 1935, Postmaster General Kingsley Wood took steps to increase use of the telegraph service. Walks eroded the velocity advantage of the telegraph over the put up, although the time between them was still often very brief
