The seven follies of science; a popular account of the most famous scientific impossibilities and the attempts which have been made to solve them. To which is added a small budget of interesting paradoxes, illusions, and marvels (1906)
Phin, John, 1830-1913 · New York, D. Van Nostrand company · leaf 34
SQUARING THE CIRCLE 23 its fifth part FG be added, the whole Hne AG will be equal to the circumference described with the radius CA, within one-seventeen-thousandth part. The following construction gives even still closer results: Given the semi-circle ABC, Fig 2 ; from the extremities A and C of… … drawn, it will be equal to the semi-circumference of the circle, within one-hundred-thousandth part nearly. This is an error of one-thousandth of one per cent, an accuracy far greater than any mechanic can attain with the tools now in use. When we have the length of the circumference and the length…
Scientific recreations · Geometry
Internet Archive · Cornell University Library · Public domain (published before 1931). Free to use for anything.