Eastern Engineering [monthly].

Eastern Engineering [monthly].

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The time taken to send a signal from London to Melbourne, a distance of approximately 10, 000 miles, is one-eighteenth of a second. .... undeniable fact that to get reliable adequate storage only pure lead must bo used for plate grids and paste, ihe reasons for which are set out fully in the same folder, and which ... In 1881 Faure invented the pasting of Plantea#39;s pure lead sheets with pure lead oxide paste.

Title:Eastern Engineering [monthly].
Publisher: - 1927


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