HMS Conundrum
Encyclopedia
This was the unofficial name given to the large CONUM drums used for laying the PLUTO
pipeline. They were 30 foot diameter and weighed 250 tons.
Operation Pluto
Operation Pluto was a World War II operation by British scientists, oil companies and armed forces to construct undersea oil pipelines under the English Channel between England and France. The scheme was developed by Arthur Hartley, chief engineer with the Anglo-Iranian Oil Company...
pipeline. They were 30 foot diameter and weighed 250 tons.