Willmead in Bovey Tracey , Devon once home to the Reverend William Davy . He played key part in creation of diving bell forerunner of the submarine . His improvements to the air supply improved the design of the diving bell . The first divers were not professional but amateurs who used a simple device called an airtight helmet with a rubber tube attached to it and filled with compressed air.
Willmead in Bovey Tracey , Devon once home to the Reverend William Davy . He played key part in creation of diving bell forerunner of the submarine . His improvements to the air supply improved the design of the diving bell . The four bedroom country home has gone on the market for £1.5million .