W. T. Henley
William Thomas Henley (1814–1882) was a pioneer in the manufacture of telegraph cables. He was working as a porter in Cheapside in 1830, leaving after disputes with his employer, and working at the St Katherine Docks for six years. During those years he was determined to learn a trade and used money from an aunt to purchase a lathe, vice and lumber with which he made a work bench. With those tools he taught himself to turn wood and brass and began to experiment, including with electricity. Henley designed and built a machine in 1837 for covering wires with silk or cotton thread which is now in the London Science Museum (Object Number: 1939-139). The machine may have been Henley's original prototype. Around 1858 Henley developed a needle galvanometer that was installed at the Valentia Island, Ireland shore end of the 1858 transatlantic telegraph cable to receive the first signal from the North American terminus at Heart's Content Cable Station, Newfoundland. That instrument is ...
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Cheapside
Cheapside is a street in the City of London, the historic and modern financial centre of London, which forms part of the A40 London to Fishguard road. It links St. Martin's Le Grand with Poultry. Near its eastern end at Bank junction, where it becomes Poultry, is Mansion House, the Bank of England, and Bank station. To the west is St. Paul's Cathedral, St Paul's tube station and square. In the Middle Ages, it was known as Westcheap, as opposed to Eastcheap, another street in the City, near London Bridge. The boundaries of the wards of Cheap, Cordwainer and Bread Street run along Cheapside and Poultry; prior to boundary changes in 2003 the road was divided amongst Farringdon Within and Cripplegate war