(London, W. Bulmer and Co., 1805). 4to. No wrappers as extracted from ""Philosophical Transactions"" 1805 - Part II. Pp. 131-154 and 2 engraved plates. Clean and fine.
First printing. Pigott is mainly known for his discovery of new comets and variable stars. ""He was a frequent contributor to the ""Philosophical Transactions"""" his works therein include a number of importent papers on the method of observing stars with a transit instrument.""(DSB).