Stamp Chats: The World of Chemistry on Postage Stamps

The American Philatelic Society presents Dr. Dan Rabinovich of University of North Carolina, Charlotte as he discusses postage stamps and other philatelic materials pertaining to the history of chemistry, the discovery and sources of several chemical elements, the development of the periodic table, chemical structures and formulas, laboratory equipment, biochemistry,…

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Thematic: Chemistry

Chemistry is the scientific discipline involved with elements and compounds composed of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during a reaction with other substances. In the scope of its subject, chemistry occupies an intermediate position between physics and biology. It is sometimes…

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Postal History Symposium 2020: British Colonial Post Office Controversy

  The history of the British Post Office in America has been interpreted from many different angles. Some historians approach the topic from an economic viewpoint. Others examine the colonial post through extant postmarks, covers and ephemera. These approaches, and others, have made significant contributions to our knowledge of the…

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Postal History Symposium 2020: Early Railroads Carry the Mail

James W. Milgram, a retired orthopaedic surgeon, has collected both covers and letter paper of 18th and 19th centuries United States. He is a prolific philatelic author and co-author of over 500 articles in such journals as American Philatelist, Stamps Magazine, SPA Journal, Postal History Journal, Confederate Philatelist, Chronicle of…

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Postal History Symposium 2020: Blazing Trails for the Westward Expansion

Steve Walske’s research and collecting interests include; North American blockade-run mail from 1775 to 1865; French Franco-Prussian War mail (1870-71); and American transcontinental overland mail from 1832 to 1869. This presentation begins with the earliest known pre-contract letter from the Rocky Mountains in 1832 and examines how letter communications played…

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