pressure-watertight
71RMS Campania — The RMS Campania was a British ocean liner owned by the Cunard Steamship Line Shipping Company, built by Fairfield Shipbuilding and Engineering Company of Govan, Scotland, and launched on Thursday, September 8 1891. Identical in dimensions and… …
72RMS Lucania — The RMS Lucania was a British ocean liner owned by the Cunard Steamship Line Shipping Company, built by Fairfield Shipbuilding and Engineering Company of Govan, Scotland, and launched on Thursday, February 2, 1893. Identical in dimensions and… …
73caisson — caissoned, adj. /kay seuhn, son/, n. 1. a structure used in underwater work, consisting of an airtight chamber, open at the bottom and containing air under sufficient pressure to exclude the water. 2. a boatlike structure used as a gate for a… …
74diving suit — any of various waterproof garments for underwater swimming or diving, esp. one that is weighted, hermetically sealed, and supplied with air under pressure through a hose attached to a removable helmet. [1905 10] * * * watertight costume for… …
75Gibbs, William Francis — born Aug. 24, 1886, Philadelphia, Pa., U.S. died Sept. 6, 1967, New York, N.Y. U.S. naval architect. He initially studied law but turned to naval architecture, studying for a year in seclusion, and with his brother Frederick H. Gibbs designed a… …
76French armoured cruiser Dupuy de Lôme — For other ships of the same name, see French ship Dupuy de Lôme. Armoured cruiser Dupuy de Lôme, launched in 1890. Career (France) …
77tight — adj., n., & adv. adj. 1 closely held, drawn, fastened, fitting, etc. (a tight hold; a tight skirt). 2 closely and firmly put together (a tight joint). 3 (of clothes etc.) too closely fitting (my shoes are rather tight). 4 impermeable, impervious …
78cais|son — «KAY son, suhn», noun. 1. a) a wagon to carry ammunition, especially artillery shells. b) a box for ammunition. 2. a watertight box or chamber in which men can work under ground or water, especially to make foundations for buildings or bridges… …
79German Type VII submarine — Type VII U boats were the workhorses of the German World War II U boot waffe . Type VII was based on earlier German submarine designs going back to the World War I Type UB III, designed through the Dutch dummy company Ingenieurskantoor voor… …
80William Beebe — For the U.S. Army officer and Medal of Honor recipient, see William Sully Beebe. William Beebe William Beebe in British Guiana in 1917 …
