Science on the 30th of March 1843 in history

Science

Date	Type	Text
30 Mar 1843 Egg incubator	science	Egg incubator In 1843, the first U.S. patent for an egg incubator was issued to Napoleon E. Guerin of New York City (No. 3,019). It described a "mode of distributing steam heat, purifying air, etc." for hatching chickens by artificial heat.	0

29th March 1843 31st March 1843

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Science on the 30th of March 1843 in history

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