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Edward Raymond-Barker (1857-1929)
1929 Obituary 
EDWARD RAYMOND-BARKER was born on the 3rd March, 1857, and died on the 21st February, 1929.
He was educated partly in England and partly in France.
In 1882 he was placed in charge of the company's station at Madeira and remained there 9 years.
In 1891, owing to a severe attack of typhoid fever which left him unfit for further service abroad, he was obliged to resign his position.
He was then appointed assistant to the chief electrician at the Silvertown works of the India Rubber, Gutta Percha and Telegraph Works Co., and devoted his attention to the technical side of submarine cable laying and manufacture.
His inventions included the multi-tone transmitter, which is a development of the Cardew vibrating transmitter, and a calculator board for use on cable ships.
In 1912 he retired from the company. His publications include various handbooks and pamphlets on matters connected with submarine telegraphy.
He joined the Institution as an Associate in 1878, and became a Member in 1887.