Physical Laws and Mathematical Formulas issue of Nicaragua
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Short desc: Physical Laws and Mathematical Formulas
Issuer: Nicaragua Date: 5/15/1971 Occasion: unset Consists of 10 stamps: (See stamps as list) 10c 15c d=Isaac Newton (1971) 20c d=Albert Einstein (1971 Nicaragua) 25c d=J. Napier 30c d=Pythagoras 40c d=L. Boltzmann 1cord d=K. Ziolkowski 1cord d=Louis de Broglie 2cord d=J. C. Maxwell 2cord d=Archimedes Record of changes |
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