Image: Eratosthenes measure of Earth circumference
Size of this PNG preview of this SVG file: 512 × 341 pixels. Other resolution: 320 × 213 pixels.
Original image (SVG file, nominally 512 × 341 pixels, file size: 54 KB)
Description: Illustration of the method Eratosthenes used to calculate the circumference of the Earth by CMG Lee. The map and globe are derived from http://commons.wikimedia.org/wiki/File:Egypt_sat.png and http://commons.wikimedia.org/wiki/File:Earth_orthographic_projection_Earthmap1000x500.jpg , respectively.
Title: Eratosthenes measure of Earth circumference
Credit: Egypt sat.png Earth orthographic projection Earthmap1000x500.jpg
Author: cmglee, David Monniaux, jimht at shaw dot ca
Usage Terms: Creative Commons Attribution-Share Alike 4.0
License: CC BY-SA 4.0
License Link: https://creativecommons.org/licenses/by-sa/4.0
Attribution Required?: Yes
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