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Bedrock Of The Community
United States
28693 Posts |
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Portugal International Year of Crystallography July 21, 2014 The minisheet shows water, snowflake (ice crystals), and ball-and-stick model of water molecules.  |
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Bedrock Of The Community
United States
28693 Posts |
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Mexico The 25th Anniversary of Chemical Engineering School December 7, 1973 The design shows the model of a methyl group.  |
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Bedrock Of The Community
United States
28693 Posts |
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Liechtenstein Exact Sciences September 6, 2004 Set of four, one stamp entitled Chemistry shows crystal lattice and space-filling model.  |
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Bedrock Of The Community
United States
28693 Posts |
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Czechoslovakia The 100th Anniversary of Czech Chemical Society July 4, 1966 The design shows the model of a carbon cage molecule known as adamantane.  |
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| Edited by KuoLC5310 - 07/23/2017 11:03 am |
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Pillar Of The Community
United Kingdom
1216 Posts |
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From Great Britain, issued to mark the Centenary of the Royal Institute of Chemistry: Vitamin C - synthesis  Issued 2 March 1977. |
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Pillar Of The Community
United Kingdom
1216 Posts |
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From Great Britain, issued to mark the Centenary of the Royal Institute of Chemistry:  Issued 2 March 1977. |
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Bedrock Of The Community
United States
28693 Posts |
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Malaysia Natural Rubber Conference August 29, 1968 Set of three, one stamp shows the space-filling model of polyisoprene (natural rubber).  |
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Bedrock Of The Community
United States
28693 Posts |
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Germany Science and Technology August 14, 1964 Set of three, one stamp marks the 100 years of the discovery of benzene structure by German chemist August Kekulé (1829 - 1896). The design shows a 2D model of the benzene ring.  |
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Bedrock Of The Community
United States
28693 Posts |
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Norway Norwegian Academy of Science and Letters November 23, 2007 The commemorative stamp shows a microscope and a ball-and-stick model of a chemical molecule. (Design: Sverre Morken)  |
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| Edited by KuoLC5310 - 07/25/2017 6:08 pm |
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Bedrock Of The Community
United States
28693 Posts |
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France The 500th Anniversary of the Hospital Pharmacy September 23, 1995 The design includes a space-filling model of chemical compound.  |
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Bedrock Of The Community
United States
28693 Posts |
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Berlin (Germany) The 100th Anniversary of the Pharmaceutical Society August 9, 1990 The stamp shows mortar and pestle and stylized model of medicine.  |
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Bedrock Of The Community
United States
28693 Posts |
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Italy EUROPA - Great Discoveries May 2, 1994 Set of two, one stamp features Giulio Natta (1903 - 1979), an Italian chemist who won the Nobel Prize in chemistry (1963) for his work on polymers. The design shows a ball-and-stick model of polypropylene.  |
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Bedrock Of The Community
United States
28693 Posts |
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Sweden Nobel Prize Winners in Chemistry November 22, 1983 The stamp featuring Hans von Euler-Chelpin (1873 - 1964) shows space-filling models of glucose and ethanol molecules.  |
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| Edited by KuoLC5310 - 07/27/2017 10:14 pm |
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Bedrock Of The Community
United States
28693 Posts |
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Sri Lanka International Year of Chemistry January 30, 2011 The design includes portraits of Dr. Marie Curie and Prof. M. U. S. Sultanbawa, a blue sapphire (the national gem of Sri Lanka), and a ball-and-stick model of amorphous aluminum oxide.  |
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| Edited by KuoLC5310 - 07/28/2017 6:42 pm |
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Bedrock Of The Community
United States
28693 Posts |
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India International Year of Crystallography January 30, 2014 The design shows a diamond and the 3D model of curcumin, which is found in herbaceous perennial plant of the ginger family such as turmeric.  |
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Replies: 92 / Views: 48,901 |
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