Source: watervilleheritagetrail.com
I midten til slutningen af 1800-tallet blev der udført eksperimenter, hvor telegramkablerne blev en del af de videnskabelige metoder, der blev brugt til at bestemme længdegraden. Internationalt samarbejde er nødvendigt med observatører på forskellige steder for at registrere den stjernemæssige passage på himlen, efterfulgt af komplicerede beregninger for at nå frem til en konklusion. Commercial Cable Company rejste denne sten i 1890'erne for at markere Waterville stationens deltagelse i det internationale projekt fra 1892 med Greenwich Observatory og McGill University. Længdegraden for Montreal blev bestemt.
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Address: Kerry
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Source: watervilleheritagetrail.com
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Source: watervilleheritagetrail.com
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