DCHP-1 Online
Halkett (air-)boat [< John Halkett, 1768-1852] Hist. 
an inflatable rubber boat. See 1850 quote.
- 1850 (1953) John Halkett, Esq., one of the Directors of the Hudson's Bay Company, whose son (Lieut. P. A. Halkett, R.N.,) is the ingenious inventor of the portable air-boat, which ought to be the travelling companion of every explorer. . . During the whole of our spring [1847] fishing Halkett's air-boat was used for setting and examining the nets. . . .
- 1964 M'Dougall put ashore eighteen items of boatswain's stores from H.M.S. Resolute, including . . . one of the very interesting, inflatable "Halket's boats."
- 1850 (1953) John Halkett, Esq., one of the Directors of the Hudson's Bay Company, whose son (Lieut. P. A. Halkett, R.N.,) is the ingenious inventor of the portable air-boat, which ought to be the travelling companion of every explorer. . . During the whole of our spring [1847] fishing Halkett's air-boat was used for setting and examining the nets. . . .