Encyclopedia Britannica
Encyclopedia Britannica
SUBSCRIBE
SUBSCRIBE
SUBSCRIBE TO PREMIUM
  • Home
  • Biographies
  • Animals & Nature
  • History & Society
  • Science & Tech
  • Geography & Travel
  • Arts & Culture
  • ProCon
  • Money
  • Games & Quizzes
  • Videos
  • Today in History
  • Dictionary
  • New Articles
Biographies
  • Browse Biographies
Animals & Nature
  • Birds, Reptiles & Other Vertebrates
  • Environment
  • Fossils & Geologic Time
  • Insects & Other Invertebrates
  • Mammals
  • Plants
History & Society
  • History
  • Philosophy & Religion
  • Politics, Law & Government
  • Society & Social Issues
Science & Tech
  • Health & Medicine
  • Science
  • Technology
Geography & Travel
  • Geography & Travel
Arts & Culture
  • Entertainment & Pop Culture
  • Literature
  • Sports & Recreation
  • Visual Arts
  • Image Galleries
  • Podcasts
  • Summaries
  • Top Questions
  • Lists and Stories
  • Britannica Kids
Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
Beetle
References
Images
(Top) Plan and (bottom) side view of Mulberry B, the artificial harbour built at Arromanches, France, during the Normandy Invasion of World War II.
Britannica AI Icon

Beetle

pontoon
Written by
The Information Architects of Encyclopaedia Britannica

The Information Architects maintain a master list of the topics included in the corpus of  Encyclopædia Britannica, and create and manage the relationships between them.

The Information Architects of Encyclopaedia Britannica

Learn about this topic in these articles:

  • (Top) Plan and (bottom) side view of Mulberry B, the artificial harbour built at Arromanches, France, during the Normandy Invasion of World War II.
    Mulberry

    …steel or concrete pontoons (called Beetles). The roadways terminated at great pierheads, called Spuds, that were jacked up and down on legs which rested on the seafloor. These structures were to be sheltered from the sea by lines of massive sunken caissons (called Phoenixes), lines of scuttled ships (called Gooseberries),…

    Read More

    …steel or concrete pontoons (called Beetles). The roadways terminated at great pierheads, called Spuds, that were jacked up and down on legs which rested on the seafloor. These structures were to be sheltered from the sea by lines of massive sunken caissons (called Phoenixes), lines of scuttled ships (called Gooseberries),…

    Read More