Abstract
WHEN the State purchased the telegraphs in Great Britain in 1869, the number of electrical workers in the whole country could almost be counted on the fingers. To-day the engineer-in-chief of the Post Office controls a staff of about 30,000 and maintains plant of a value of 130 million pounds. Starting from the needle instruments, skilled Post Office experimentalists developed the Wheatstone transmitter and receiver; instruments capable of operating up to 300 words per minute.
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Research in the British Post Office. Nature 133, 224 (1934). https://doi.org/10.1038/133224a0
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DOI: https://doi.org/10.1038/133224a0