The Lieutenant-Colonel Portlock Experiment

Published by flatearthofficial on


The Lieutenant-Colonel Portlock experiment used oxyhydrogen Drummond’s lights and heliostats to reflect the sun’s rays across stations set up across 108 miles of St. George’s Channel. If the Earth were actually a ball 25,000 miles in circumference, Portlock’s light should have remained hidden under a mile and a half of curvature.


It is not that the truth is not known, it is that the truth has been intentionally hidden from the masses in order to control the population, and keep them away from God. Flat Earth is the death of: the heliocentric solar system, gravity, evolution, dinosaurs, multiple galaxies, alien species, science falsely so-called, space travel and everything associated with it (Freemason NASA, astronomical societies, Jesuit university space/astronomy programs, ect).

1 Comment

Matt · March 3, 2018 at 6:44 pm

This is a false assertion by the FE community because they assume the experiment was conducted at SEA LEVEL, or they leave out the fact, that the lights were set up on mountains. One peak at 2483 feet and one peak at 1700 feet a difference of 783, well within the drop in curvature of 1,042 feet.

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