1740 - 1774
John Day (carpenter) English Inventor
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Details
| Birthday |
30th November, 1739
|
| Died |
22nd June, 1774
|
| Nationality |
English
|
| Occupation |
Inventor
|
John Day (c. 1740 – died 22 June 1774) was an English carpenter and wheelwright. He is the first recorded death in an accident with a submarine. With the financial support of Christopher Blake, an English gambler, Day built a wooden "diving chamber" without an engine. He attached his invention to the deck of a 50-ton sloop named the Maria, which Blake had purchased for £340. The sloop's hold contained 10 tons of ballast, and two 10-ton weights were attached beneath the keel which could be released from inside the diving chamber. An additional 20 tons of ballast would be loaded on the Maria after Day had been locked inside the diving chamber.
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