MANN, THEOD. AUG.

A Treatise on Rivers and Canals. Communicated by Joseph Banks. Read June 24, 1779.

(London, J. Nichols, 1779). 4to. Extract from "Philosophical Transactions, of the Royal Society of London." Vol. 69, Year 1779 - Part II. Pp. 555-658.

Order-nr.: 44415