Chambers's Edinburgh Journal

Chambers's Edinburgh Journal

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... Paddington and West Drayton, on the line of the Great Western Hail way, the communication being in that case effected by aquot; metallic wires made ... This telegraph requires five wires throughout the length of the intervening space ; but Mr Wheatstone has invented a new plan, ... To keep the united rod right in the centre of the vent, and to enable it to make lateral turnings in conformity with the turnings of aanbsp;...

Title:Chambers's Edinburgh Journal
Publisher: - 1841


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