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Image: William Rowan Hamilton Plaque - geograph.org.uk - 347941

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Description: William Rowan Hamilton Plaque Plaque on Broome Bridge on the Royal Canal commemorating William Rowan Hamilton's discovery. The plaque reads: Here as he walked by on the 16th of October 1843 Sir William Rowan Hamilton in a flash of genius discovered the fundamental formula for quaternion multiplication i² = j² = k² = ijk = −1 & cut it on a stone of this bridge.
Title: William Rowan Hamilton Plaque - geograph.org.uk - 347941
Credit: From geograph.org.uk
Author: JP
Usage Terms: Creative Commons Attribution-Share Alike 2.0
License: CC BY-SA 2.0
License Link: http://creativecommons.org/licenses/by-sa/2.0
Attribution Required?: Yes

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