A good theodolite was placed on the northern bank of the canal, midway between Welney Bridge and the Old Bedford Bridge, which are fully six miles apart, as shown in diagram, fig. 7. The line of sight from the “levelled” theodolite fell upon the points B, B, at an altitude, …
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The earth is flat (3)
Samuel Birley Rowbotham, under the pseudonym ‘Parallax’, lectured for two decades up and down Britain promoting his unique flat earth theory. This book, in which he lays out his world system, went through three editions, starting with a 16 page pamphlet published in 1849 and a second edition of 221 …
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