After photograph (possibly)

Bust-length oval profile portrait drawing of a figure turned to the right. The subject has shoulder-length hair and is wearing a coat and neckcloth. Inscribed on reverse: "A Portrait of Benjamin Franklin / Benjamin West." Newspaper articles and other documents relating to the piece's provenance are also attached to the reverse.

After 1778 engraving by Juste Chevillet, which is after portrait by Joseph Siffred Duplessis

Formerly attributed to Charles B. J. Fevret de Saint Memin. Now attributed to Louis Lemet. Not listed in APS Library card catalog.

After bust by Jean Antoine Houdon

Book of detailed watercolor and ink drawings of the geological strata, probably New York state, and of the fossil remains of mollusks found in the formations.

Formerly titled "Shahaka, Mandan Chief"

These volumes contain calculations and drawings of an eclipse of the sun, 24 June 1778, and of the moon, 29 May 1779, adjusted to the meridian of Philadelphia. There is also an incomplete duplicate of the calculations for the sun, and a duplicate of the calculations for the moon. An apparently personal reference in the text suggests that Freehauff was a native of Germany.

Born in Stuttgart in 1792 and educated at the University of Tübingen, Julius Eugen Schlossberger was one of the pioneers of physiological chemistry in Germany. Unorganischen Chemie is a thorough discourse on inorganic chemistry and metallurgy, presumably relating to lectures given at the University of Tübingen, with an extrensive section on the physical properties, chemistry, and analysis of Eisenmetalle ("iron metals"). The volume includes three small drawings of experimental apparatus.

These are twenty-six plates, created by Miss Williamson and E.A. Bowles, that feature colored drawings of various types of crocuses.

This collection includes correspondence, drawings, and publications of Quekett. He became the conservator at the College of Surgeons, and through his microscopial research had a wide influence on anatomical studies as conducted by the medical profession in Great Britain. These papers concern Quekett's studies and medical matters in general. The correspondents include James Hilton, Julian S. Huxley, John Pethereck, Sir James South, and Thomas Wormald.

View of a rural landscape. Spindly tree in foreground at left. Two men stand in center foreground. In background are dog and horse in rolling landscape, spotted with trees. Two buildings sit in background at right. Inscribed "1841" on lower left and "A.K." on lower right.

Emblematic painting of American Union. Figure of Hercules astride an arch with thirteen plaques representing the original 13 colonies from north to south. Hercules figure wears skirt of eagle feathers, lion head cap, lion skin and holds a club in left hand. Pennsylvania is at center of arch. Inscribed, lower left: "Marbois Invenit."

This volume was compiled in Egypt, where Gliddon lived for 23 years, and was copied from his original manuscripts for Samuel G. Morton by Edward M. Kern in Philadelphia in 1842. It includes drawings and illustrations.

These are copies of letters and printed and mimeographed reports relating principally to breakwaters at Aransas Pass, Texas, and Manasquan Inlet, N.J. There are also 12 blueprints and 7 drawings of devices for reclaiming beaches.