Rare Hardcover Book, 1923 International Code of Signals American Edition
A rare, hardcover book, "International Code of Signals" American Edition 1923 U.S. Hydrographic Office. Published and sold by the Hydrographic office under the authority of the Secretary of the Navy by Washington Government Printing Office. 558 pages. The book is in good vintage condition, with the navy blue linen covers bumped and frayed, there is a tear in the back spine. The pages have been corrected, updated, or deleted by hand, with glued on corrections and penned deletes. The last 20 pages suffer from liquid damage. Several pages of color graphics.