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William_Rowan_Hamilton_Plaque_-_geograph.org.uk_-_347941.jpg ‎(640 × 480 pixels, file size: 104 KB, MIME type: image/jpeg)

Summary

Description
English: 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.
Date
Source From geograph.org.uk
Author JP
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InfoField
JP / William Rowan Hamilton Plaque / 
JP / William Rowan Hamilton Plaque
Object location53° 23′ N, 6° 18′ W  Heading=0° Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

Licensing

w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
Attribution: JP
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Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

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Items portrayed in this file

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creator

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URL: https://www.geograph.org.uk/profile/8888
author name string: JP
object has role: photographer

copyright status

copyrighted

copyright license

Creative Commons Attribution-ShareAlike 2.0 Generic

source of file

file available on the internet

described at URL: https://www.geograph.org.uk/photo/347941
operator: Geograph Britain and Ireland
geograph.org.uk image ID: 347941

inception

25 February 2007

coordinates of depicted place

53°22'34"N, 6°18'0"W

heading: 0 degree

exposure time

0.01190476190476190476 second

f-number

4.6

focal length

10.9 millimetre

ISO speed

100

instance of

photograph

File history

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Date/TimeThumbnailDimensionsUserComment
current18:21, 2 January 2011Thumbnail for version as of 18:21, 2 January 2011640 × 480 (104 KB)GeographBot== {{int:filedesc}} == {{Information |description={{en|1=William Rowan Hamilton Plaque Plaque on Broome Bridge on the Royal Canal commemorating William Rowan Hamilton's discovery.}} |date=2007-02-25 |source=From [http://www.geograph.org.uk/photo/347941 ge
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source: http://en.wikipedia.org/wiki/File:William_Rowan_Hamilton_Plaque_-_geograph.org.uk_-_347941.jpg