Description | Contains plate.
Subject: Astronomy
Published in Philosophical Transactions, as 'An experiment proposed for determining, by the aberration of the fixed stars, whether the rays of light, in pervading different media, change their velocity according to the law which results from Sir Isaac Newton's ideas concerning the cause of refraction; and for ascertaining their velocity in every medium whose refractive density is known.'
Read 24 January 1782 |