| 21. | Hearder was an early advocate of the practicality of laying intercontinental submarine telegraph cables.
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| 22. | 1866-The first successful trans-Atlantic telegraph cable between England and the United States is completed.
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| 23. | Another invention of considerable value was a brake, employed in laying deep-sea telegraph cables.
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| 24. | He was among those supervising the laying of the first Transatlantic telegraph cable in 1858.
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| 25. | To be sure, computerization accelerated international financial dealings somewhat since the days of telegraph cables.
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| 26. | At this time Porthcurno was known world-wide as the British terminal of submarine telegraph cables.
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| 27. | Dogs carried messages; horses, mules and dogs were used to lay telephone and telegraph cables.
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| 28. | Krakatau was the first major disaster to occur after the laying of submarine telegraph cable.
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| 29. | Colt concentrated on manufacturing his waterproof telegraph cable, believing the business would prosper alongside Morse's invention.
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| 30. | The new company intended to lay the first deep-sea telegraph cable between Europe and North America.
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