Reference Code: GBR/0180/RGO 6/627
Scope and Contents
Correspondence and papers concerning telegraphic communications, including several diagrams of galvanic wires in the Galvanic Room, basement and Front Court at the Royal Observatory, Greenwich; papers on galvanic circuits connected to clocks at the Royal Observatory; maps of principal galvanic wires in the Observatory Park and grounds; material on connections to the South Eastern Railway; papers on American transit equipment and telegraphs; patents for electric clocks by Messrs Barwise and...
1851 - 1855
Conditions Governing Access:
From the Management Group:
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