This is not a history of chemistry which uses stamps instead of the usual illustrations, but a collection of short essays and comments on such chemistry as can be found on postage stamps and other philatelic items. In other words, the choice of topics is dictated by the philatelic material available, with the necessary consequence that important ...
This is not a history of chemistry which utilizes postage stamps instead of the usual illustrations, but a collection of short essays and comments on such chemistry as can be found on postage stamps and other philatelic items. In other words, the choice of topics is dictated by the philatelic material available, with the necessary consequence that ...
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