Ornament Details
013920080000830_0
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Method to discover the difference of the earth's diameters; Proving It's true Ratio to be not less variable than as 45 is to 46, and shortest in it's Pole's Axis 174 Miles. Elucidated with five copper plates, With a Variety of new tables suited to the Subject. Likewise a method for fixing an universal standard for weights and measures. By Thomas Williams.
printed for the author, No. 6, Dowling's Buildings, near Gray's Inn Lane; and sold by J. Stockdale, Piccadilly; and by Wm. Richardson, Under the Royal Exchange
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