slickwhippet: Johann Esaias Silberschlag, illustration from Theorie der am 23 Juli, 1762, erschienen Feuer-Kugel (Theory on the July 23, 1762, appearance of a fireball).  Magdeburg, Stendal, and Leipzig: Commercien-Rath Hechtel, 1764.  Hat tip to scientificillustration

slickwhippet: Johann Esaias Silberschlag, illustration from Theorie der am 23 Juli, 1762, erschienen Feuer-Kugel (Theory on the July 23, 1762, appearance of a fireball).  Magdeburg, Stendal, and Leipzig: Commercien-Rath Hechtel, 1764.  Hat tip to scientificillustration

Reblogged from cinoh-deactivated20120915 with 262 notes / 01.07.12 / Permalink