An account of the measure of the thickness of gold upon gilt-wire, together with a demonstration of the exceeding minuteness of the atoms or constituent particles of gold; as it was read before the R. Society, by E. Halley

Abstract

What are the Constituent parts of Matter, and how there comes to be so great a diversity in the weight of Bodies to all appearance equally solid and dense, such as are Gold and Glass, (whose specifick Gravities are nearly as 7 to 1) seems a very hard question to those that shall rightly consider it.