Ten Mathematical Equations 3

Date
1971
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Abstract

Two stamps from The Ten Mathematical Equations that Changed the Face of the Earth series. Issued by Nicaragua on May 15, 1971.

Description
"Maxwell's Law" 2cor. stamp depicting Maxwell's "four equations [that] summarized the knowledge of electricity and magnetism." "Napier's Law" 25c. air stamp depicting Napier's logarithms.
Keywords
Stamp collecting, Postage-stamp Albums, Nicaragua, Maxwell, James Clark, 1831-1879, Napier, John, 1550-1617, Logarithms, Electricity, Magnetism, Postage-stamp albums
Citation