The Daily Crescent, 7th September, 1848 p1
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The west of County Clare, including Kilrush, Kilkee, Carrigaholt and Baltard was instantaneously lighted up on Thursday night with signal fires, which flashed from every eminence and illuminated the horizon as far as the brightest eye could discern an object. The exact cause of this telegraphic manifestation, which was responded to from Cape Clear to Moher Cliffs, in a space of time incredibly short, is all conjecture.
The Burren and Beyond 