Zetetic Astronomy Earth Not a Globe

Zetetic Astronomy Earth Not a Globe
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Notes on The Author

SAMUEL BIRLEY ROWBOTHAM, (1816–1884) was an English inventor and writer who wrote Zetetic Astronomy: Earth Not a Globe under the pseudonym “Parallax”. His work was based on his decade-long studies of the earth and was originally published as a 16-page pamphlet (1849), which he later expanded into a 430-page book (1881). According to Rowbotham’s method, which he called Zetetic Astronomy, the earth is an enclosed plane, centred at the North Pole and bounded along its outward edge by a wall of ice, with the sun, moon, planets, and stars only a few hundred miles above the surface of the earth.

Rowbotham started out as an organiser of an Owenite commune in the Fens, where he first observed the strange phenomenon on the Bedford level that led to his theories about the earth. Following allegations of sexual misconduct he reinvented himself as an itinerant lecturer under the name Parallax. He took a little time to learn his trade, running away from a lecture in Blackburn when he couldn’t explain why the hulls of ships disappeared before their masts when sailing out to sea. However, as he persisted in filling halls by charging sixpence a lecture his quick-wittedness and debating skills were honed so much that he could “counter every argument with ingenuity, wit and consummate skill”.

When finally pinned down to a challenge in Plymouth in 1864 by allegations that he wouldn’t agree to a test, Parallax appeared on Plymouth Hoe at the appointed time, witnessed by Richard Proctor, a writer on astronomy, and proceeded to the beach where a telescope had been set up. His opponents had claimed that only the lantern of the Eddystone lighthouse, some 14 miles out to sea, would be visible. In fact, only half the lantern was visible, yet Rowbotham claimed his opponents were wrong and that it proved the earth was indeed flat so that many Plymouth folk left the Hoe agreeing that “some of the most important conclusions of modern astronomy had been seriously invalidated”.

In 1861 Rowbotham was married for a second time to the 16-year-old daughter of his laundress and settled in London, producing 14 children, of whom 4 survived. He was also alleged to be using the name “Dr. Samuel Birley”, living in a beautiful 12-roomed house selling the secrets for prolonging human life and curing every disease imaginable. De Morgan refers to him as S. Goulden. He patented a number of inventions including a ‘life-preserving cylindrical railway carriage’.

His book Zetetic Astronomy – The Earth not a Globe appeared in 1864. His lectures continued and concerned citizens addressed letters to the Astronomer Royal seeking rebuttals for his claims. A correspondent to the Leeds Times observed that “One thing he did demonstrate was that scientific dabblers unused to platform advocacy are unable to cope with a man, a charlatan if you will (but clever and thoroughly up in his theory), thoroughly alive to the weakness of his opponents”.