Marine signals.
Pickering, John, LL.D., 1777-7846. 5955-98=No. 17 in **G.321.9 A lecture on telegraphic language, delivered before the Boston Marine Society, February 5, 1833. — Boston. Hilliard, Gray & Co. 1833. 32 pp. Plates. Tables. 23 cm., in 4s.
@ This gard wes printed at the Boston GD Public Library December 4, 1935.
Do9233 — Marine signals. — Telegraph. — Boston Marine Society.