FortnightOil Rate this phrase:(5.00 / 1 vote)
A Specially Refined Lantern-oil for the Switchman's Signal Lanterns used on the Grand Trunk Railroad. 'Topped-Off' Lanterns generally required refilling after a 'fortnight' of duty time. (Conjecture)

Grand Trunk Railroad ( dubbed by American 'Crews' as the LeakyRoof) was the American
Division of the Canadian Railroad known as The Canadian National.


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"FortnightOil." STANDS4 LLC, 2018. Web. 21 Aug. 2018. <>.

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