Electrically operated sliding hatch cover developed by Ermans (Enterprise de Materiel Naval Special); covers slide horizontally along coaming without rolling; they are operated by, and stowed on, extended drum of specially designed winch which is push-button controlled; space between each section is made watertight by rubber jointing.
New self-opening hatch covers
Brit Motor Ship
British Motor Ship ; 36 , n 431
1956
Article (Journal)
English
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