Rogers, William Barton, joint author,
5976.280—No. I in **G.185.55 Rogers, Robert Empie, and William Barton Rogers. New method of determining the carbon in native and artificial gra- phites, &c. [New Haven.] Hamlen. 1848. 8 pp. Illus. 8°. Reprinted from the American Journal of Science and Arts, 2d series, vol. 5, 1848 [*5174.1. 2d ser. v.5; **E.177.1. 2d ser. v.5].
[The second copy is kept on the Special Libraries Floor.]
This card was printed at the Boston | ee
F5266 — Graphite. — Carbon. — Jt. auth.
Public Library, November 10, 1904.