BLACK, Joseph. Lectures on the Elements of Chemistry, delivered in the University of Edinburgh, Philadelphia, 1807, 3 volumes, 8°, FIRST AMERICAN EDITION, engraved portrait frontispiece and 3 engraved folding plates (one plate torn along fold, some browning and staining, some marginal annotations in ink), contemporary calf (some joints weak) -- William HENRY. An Epitome of Experimental Chemistry, Boston: William Andrews, 1810, 8°, second American edition, engraved frontispiece and 8 folding plates (minor spotting, a few margins slightly frayed), contemporary tree calf (spine brittle). (2)