irdwaterville@eircom.net

+353-66-9474366

Longitude & Latitude Stone

In the mid-late 1800's experiments were carried out in which the telegraphic cables became part of the scientific methods used in the determination of longitude.  International co-operation was required with observers at various locations recording the transit of certain stars across the sky, followed by complicated calculations to reach a conclusion.  The Commercial Cable Company erected this stone in the 1890's to mark the Waterville station's participation in the 1892 international project with Greenwich Observatory and McGill University to determine the longitude of Montreal

Download PDF
To Top ↑