Call Number (LC) Title Results
N 6.19:7 Port facilities, No. 3 2
N 6.19:8 Questions and answers 2
N6.2-6 Chart notes, signification of marginal notes on Hydrographic Office charts. 1
N6.2-7 Hydrographic service on Great Lakes. 1
N6.2-8 Summary of Notices to Mariners 1 to 19, inclusive, referring to "Light list Atlantic and Gulf coasts of U.S." 1
N6.2-9 Special notice to mariners, 100th anniversary number, 1830-1930. 1
N6.2-10 Transatlantic routes adopted by principal transatlantic steamship companies, Apr. 1913. 1
N 6.2:C 38 Chart notes, signification of marginal notes on Hydrographic Office charts
Chart notes, signification of marginal notes on Hydrographic Office charts. 		2
N 6.2:C 64 U.S. naval code of signals, comprising: 1. Army and Navy (wig-wag) code; 2. Electric night (Ardois) system
U.S. naval code of signals, comprising 1. Army and Navy (wig-wag) code; 2. Electric night (Ardois) system. 		2
N 6.2:C 73 New compass card 2
N 6.2:D 36 Instructions for using Sir William Thomson's deep-sea sounding-machine for sounding with steel wire, Brooke's detaching sinker, and Belknap's specimen-cylinders 2
N 6.2:G 79 Hydrographic service on Great Lakes
Hydrographic service on Great Lakes. 		2
N 6.2:H 99 Founding and development of U.S. Hydrographic Office 2
N 6.2:N 84 Summary of Notices to Mariners 1 to 19, inclusive, referring to "Light list Atlantic and Gulf coasts of U.S." 2
N 6.2:On 2 Special notice to mariners, 100th anniversary number, 1830-1930
Special notice to mariners, 100th anniversary number, 1830-1930. 		2
N 6.2:Sa 3 Information for sales agents of Hydrographic Office 2
N 6.2:T 68/2 Transatlantic routes adopted by principal transatlantic steamship companies, Apr. 1913
Transatlantic routes adopted by principal transatlantic steamship companies, Apr. 1913. 		2
N6.20-3 Pilot chart of South Atlantic Ocean. 1
N6.20-4 Pilot chart of South Atlantic Ocean. 1
N6.20-5 Pilot chart of South Atlantic Ocean. 1