Sydney
Subject
Subject Source: Local sources
Found in 1 Collection or Record:
Sub-Series
Papers on determining galvanic longitudes, 1878 - 1888
Sub-Series
Reference Code: GBR/0180/RGO 6/640
Scope and Contents
Correspondence and papers concerning proposals and operations to determine, with the assistance of the Royal Observatory, the longitude of Lisbon, Leiden, the Cape Observatory, Gibraltar, places in Australia, New Zealand and Egypt, and Mauritius; and the difference in longitude between Malta and Bombay. The papers include errors of the Greenwich clock; observations of telegraph signals; J.W. Green's abstract of the Greenwich - Lisbon - South American longitudes; the exchange and summary of...
Dates:
1878 - 1888