Popular Science News, Vol. 36: Formerly Boston Journal of Chemistry; A Popular Illustrated Monthly Devoted to the Progress in Zoology, Botany, ... Sciences and General Scientific Information; - Hardcover

Inhaltsangabe

Excerpt from Popular Science News, Vol. 36: Formerly Boston Journal of Chemistry; A Popular Illustrated Monthly Devoted to the Progress in Zoology, Botany, Mineralogy, Archaeology, Hygiene, Invention, With Related Physical Sciences and General Scientific Information; January-December, 1902

Although artificial incubation, as a gen eral pursuit, is quite modern. The idea of it dates back into very remote ages. The dusky subjects of the Pharaohs practised it, not indeed as we do, but in great sand ovens known as mahmals. The Chin ese of the period of Confucius also hatched eggs - as they still do in certain parts of the Celestial Empire - entirely by the heat of the sun.

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