Washington: Government Printing Office, 1861. First edition. Hardcover. Small 8vo. 191 pp. Bound in brown cloth with patterned border and anchor design on front and rear boards, "Boat Signals USN" in gilt on the spine. Nine numbered plates depicting signal flags (the flags appear to be hand-drawn and colored) and compass signals, three unnumbered plates concerning day signals. Fascinating compilation of US Naval signals during the Civil War era, uncommon. Good+. Item #00007940
Free front endpaper has been excised, else Very Good with rubbing and light wear to the boards and areas of discoloration the the pastedowns and a few of the blank leaves.