Navigation. | Disks need, Geowrabh \ cal,
See also Aeronautics. Great Britain. Admiralty. Nau- Azimuth. tical Almanac Office. Beacons. Great circle sailing. Buoys. Harbors. Canals. Hydrography. Chronometers. Ice-breakers and ice-breaking. Clearance andentrance ofvessels. Inland navigation. Coast pilot. International Marine Conference. Compass. Washington.
For any subject named on this card but not found in this Catalogue, see the Bates Hall Catalogue.
— _) card.] s io This card was printed at the Boston Public Library, January 20, 1619 i;
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