A Memorial of Joseph Henry

Washington: Order of Congress, 1880. Hardcover. Good. First edition. Quarto. iv, 528pp. Minimal ex-library markings, foxing on frontispiece and tissue guard, spine darkened with extremities worn, a good only copy without dustwrapper as issued. Joseph Henry was the first Secretary to the Smithsonian Institution and credited with many advancements in science. Henry invented the precursor to the electric doorbell and his work on the electromagnetic relay was the basis for the electrical telegraph.