(London, W. Bulmer and Co., 1812). 4to. No wrappers as extracted from "Philosophical Transactions" 1812 - Part II. Pp. 229-237. Clean and fine.
First printing of Herschel's observations on the second comets, observed from January 1 to January 20, 1812. Another paper is printed together with Herschel's paper, William Henry: "Additional Experiments on the Muriatic and Oxymuriatic Acids.", pp. 238-246.
Order-nr.: 42937