GENERAL INSTRUCTIONS FOR HYDROGRAPHIC SURVEYORS OF THE UNITED STATES NAVY, AND FOR WRITING AND EDITING SAILING DIRECTIONS AND FOR KEEPING REMARK BOOKS

Washington: Government Printing Office, 1868. Soft Cover. Very Good binding. The Bureau of Navigation, Navy Department's booklet, General Instructions for Hydrographic Surveyors. Dampstaining to the bottom edge of the second half of the textblock. Writing in ink on the front wrapper. Engraved plate of "Brooke's Deep Sea Sounding Apparatus" at the rear. Blue printed paper wrappers. Very Good. 62 pp. Very Good binding.