BULL, MARCUS. Experiments to determine the comparative value of the principal varieties of Fuel used in the United States, and also in Europe. And on the ordinary apparatus used for their combustion. Philadelphia: Judah Dobson [etc.], 1827. 8vo, original drab boards, uncut, head and foot of spine and paper spine label slightly chipped, foxed. FIRST EDITION. Presentation Copy, inscribed on title-page "E. Bourn Esq. with the Author's respects", engraved frontispiece, 2 letterpress double-page tables.