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3

All this is described in many books on the history of laying the first transatlantic cable. For example, in J. S. Gordon, A thread across the ocean, Walker, NY, 2002. The story is too long ans exciting to tell it here but some of your questions can be answered shortly. The early cables handled one message at a time. Moreover, the transmission was very ...


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To get all the way to India would take several steps. At the turn of the century there were three cables from Aden to Bombay. So, if you needed to wire Madras from London, the message would first have to be sent to Aden, then to Bombay, then on to Madras. In general, most of the long line pre-WW2 cables were single conductor only (one channel). Here is a ...


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The scientific method is not required. The critical enabling technology was the availability of high quality brass and machine tools and practices to make a perfect bore on the piston. The Newcomen engine had the basic design shown below: As you can see by the engraving on the right, the actual contrivance is much more complicated than the simplified ...



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