File:First Day Cover commemorating the "Science of Chemistry" - DPLA - 5da97cfad0fd91b25788fe3b960b596f.jpg
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Original file (6,736 × 3,832 pixels, file size: 3.72 MB, MIME type: image/jpeg)
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Summary
[edit]First Day Cover commemorating the "Science of Chemistry" ( ) | |||||||||||||||||||||
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Creator InfoField | Artmaster | ||||||||||||||||||||
Title |
First Day Cover commemorating the "Science of Chemistry" |
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Description |
First day cover created by Artmaster includes cachet depicting a 3D image of a nonexistent molecule. Stamp depicts chemical glassware. Envelope is signed by Herman S. Bloch, the inventor of the catalytic converter. |
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Date |
1976 date QS:P571,+1976-00-00T00:00:00Z/9 |
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Collection |
institution QS:P195,Q5090408 |
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Source/Photographer |
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Permission (Reusing this file) |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 03:58, 5 October 2022 | 6,736 × 3,832 (3.72 MB) | DPLA bot (talk | contribs) | Uploading DPLA ID 5da97cfad0fd91b25788fe3b960b596f |
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Orientation | Normal |
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Horizontal resolution | 977.999 dpi |
Vertical resolution | 977.999 dpi |