Brunel first tried one in a big ship when he launched his iron steamer the Great Britain in 1843.
UBrunel waye waqala wazama enye yezinkulu inqanawa xa kududulwa ezakhe zentsimbi kwezi ziphuma umphunga ezinkulu zaseBritane yewaka elinamakhulu asibhozo anamashumi mane anesithathu.