Description | Thornton discusses the role of heat and electricity in the movements of planets and comets, and experiments carried out to test this theory. He also discusses the effect of the moon on sheep fertility.
An ink inscription on covering page reads 'To be returned to the author if required JFWH [John Frederick William Herschel]'.
Subject: Astronomy
Written by Thornton in the City of Washington [United States]. Received by the Royal Society in August 1825. |