“Eratosthenes of Cyrene, employing mathematical theories and geometrical methods, discovered from the course of the sun the shadows cast by an equinoctial gnomon, and the inclination of the heaven that the circumference of the earth is two hundred and fifty-two thousand stadia, that is, thirty-one million five hundred thousand paces.”

— Eratosthenes

Vitruvius, De Architectura, Book 1, Chap 6, Sec. 9; as translated in Morris Hicky Morgan (trans.), Vitruvius: The Ten Books on Architecture (1914), 27-28.
About

Adopted from Wikiquote. Last update June 3, 2021. History

Help us to complete the source, original and additional information

Do you have more details about the quote "Eratosthenes of Cyrene, employing mathematical theories and geometrical methods, discovered from the course of the sun …" by Eratosthenes?

Eratosthenes2

ancient Greek scientist -276–-194 BC

Related quotes

“Remembering… that Eratosthenes of Cyrene, employing mathematical theories and geometrical methods, discovered from the course of the sun, the shadows cast by an equinoctial gnomon, and the inclination of the heaven that the circumference of the earth is two hundred and fifty-two thousand stadia, that is, thirty-one million five hundred thousand paces.”

Vitruvius book De architectura

Source: De architectura (The Ten Books On Architecture) (~ 15BC), Book I, Chapter VI, Sec. 9

“The difference is slight, to the influence of an author, whether he is read by five hundred readers, or by five hundred thousand; if he can select the five hundred, he reaches the five hundred thousand.”

Henry Adams (1838–1918) journalist, historian, academic, novelist

The Education of Henry Adams (1907)

“I'll promise to go easier on drinking and to get to bed earlier, but not for you, fifty thousand dollars, or two-hundred and fifty thousand dollars will I give up women. They're too much fun.”

Babe Ruth (1895–1948) American baseball player

As quoted in The Business of Baseball (2003) by Albert Theodore Powers, p. 61

“Thirty or forty proprietors, with incomes answering to between one thousand and five thousand a year, would create a much more effectual demand for the necessaries, conveniences, and luxuries of life, than a single proprietor possessing a hundred thousand a year.”

Thomas Robert Malthus Principles of Political Economy

Book II, Chapter I, On the Progress of Wealth, Section VII, p. 374
Principles of Political Economy (Second Edition 1836)

“I, at any rate, acknowledge only one master, not forty-five million two-legged sheep, or two thousand million, but simply and absolutely the spirit.”

Olaf Stapledon book Sirius

Source: Sirius (1944), Chapter XII Farmer Sirius (an answer to Plaxy's rant about democracy).

“A cannonball travels only two thousand miles an hour; light travels two hundred thousand miles a second. Such is the superiority of Jesus Christ over Napoleon.”

Victor Hugo (1802–1885) French poet, novelist, and dramatist

“In a forest of a hundred thousand trees, no two leaves are alike. And no two journeys along the same path are alike.”

Paulo Coelho book Aleph

Source: Aleph

“I beg to present you as a Christmas gift the City of Savannah, with one hundred and fifty guns and plenty of ammunition, also about twenty-five thousand bales of cotton.”

William T. Sherman (1820–1891) American General, businessman, educator, and author.

Telegraph to Abraham Lincoln (December 1864), as quoted in Southern Storm: Sherman's March to the Sea https://en.wikipedia.org/wiki/Special:BookSources/0940450658 (2008), by Noah Andre Trudeau, New York: HarperCollins, p. 508. <br class="br">1860s, 1864, Telegram to Abraham Lincoln (December 1864)

“The Iraqis have a country that inherited cultures thousands of years old while the Americans have a culture only two hundred years old. Two hundred years will teach thousands of years!? Oh Americans, leave Iraq for its people.”

Yusuf Qaradawi (1926) Egyptian imam

Sheikh Al-Qaradhawi Reacts to the Murder of Four Americans in Al-Fallujah: 'How could you punish an entire people because four corpses were mutilated?' http://www.memritv.org/clip_transcript/en/31.htm April 2004.

“To find the directions and quarters of the winds your method of procedure should be as follows. In the middle of the city place a marble amussium, laying it true by the level, or else let the spot be made so true by means of rule and level that no amussium is necessary. In the very center of that spot set up a bronze gnomon or "shadow tracker." At about the fifth hour in the morning, take the end of the shadow cast by this gnomon, and mark it with a point. Then, opening your compasses to this point which marks the length of the gnomon's shadow, describe a circle from the center. In the afternoon watch the shadow of your gnomon as it lengthens, and when it once more touches the circumference of this circle and the shadow in the afternoon is equal in length to that of the morning, mark it with a point. From these two points describe with your compasses intersecting arcs and through their intersection and the centre let a line be drawn to the circumference of the circle to give us the quarters of south and north…. and thus we have designed a figure equally apportioned among the eight winds.”

Vitruvius book De architectura

Source: De architectura (The Ten Books On Architecture) (~ 15BC), Book I, Chapter VI, Sec. 5-7

Help us to complete the source, original and additional information

Eratosthenes2

Related quotes

Related topics