Manual of Ice Seamanship [H.O. Pub. no. 551]

foreword by Captain A. Hobbs, former Hydrographer to the U.S. Navy

Washington, U.S. Navy Hydrographic Offce, 1950.

softback. 138 pages. illustrated with photos and drawings.

good clean condition, but with a water stain to the page edges.

a useful practical work on operating ships in ice affected seas. a 'restricted' American navy publication