File:William Rowan Hamilton ½ penny postage stamp.jpg
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Summary
| Description |
English: Postage stamp valued a half penny issued by the Irish postal service on 13 November 1943 to celebrate the centenary of the discovery of quaternions by William Rowan Hamilton. |
| Date | |
| Source | https://colnect.com/en/stamps/list/country/104-Ireland/year/1943 |
| Author | Irish Minister of Posts and Telegraphs |
| Permission (Reusing this file) |
English: Public domain (all Irish Government copyright terminates 50 years after the work was made according to the appropriate Irish law) |
Licensing
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This Irish Government or Oireachtas work is in the public domain. According to Chapter 19, §191-193 of the Copyright and Related Rights Act, 2000, copyright has expired in Ireland because it is either:
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{{DEFAULTSORT:19431113}
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 08:49, 30 September 2024 | | 331 × 391 (32 KB) | Spideog | Uploaded a work by Irish Minister of Posts and Telegraphs from https://colnect.com/en/stamps/list/country/104-Ireland/year/1943 with UploadWizard |
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