Centuries: 2nd century - 3rd century - 4th century
Decades: 190s 200s 210s 220s 230s - 240s - 250s 260s 270s 280s 290s
Years: 243 244 245 246 247 - 248 - 249 250 251 252 253
... internal combustion engines[?] to drive one or more propellers, or in the case of jet boats, an inboard water jet. In shallow draft areas, such as the Everglades, some ...
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