- W. W. Wroth
- , revised by R. C. Cox
Dennett, John (1790–1852), inventor of a life-saving rocket, and antiquary, lived in Newport, Isle of Wight. In or about 1830 he invented a life-saving rocket apparatus (known as ‘Dennett's’) for conveying a rope from the shore to a shipwrecked crew. George William Manby...