Encyclopædia Britannica 1771–1860
Topic · 0 of 8 editions · peak 33 chars

SOLAR-SPOTS

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EditionAs printedTypeCharsLocationvs. previous
3rd ed. (1797)SOLAR-SPOTScross-reference33vol. 17, p. 598
4th ed. (1810)SOLAR-SPOTScross-reference33vol. 19, p. 464