A cikin 1928, a wannan shekarar da aka shigar da tukunyar jirgi 11, an yanke shawarar ci gaba da sayen tukunyar jirgi biyu na ƙarshe, lambobi 8 da 10, daga mai ba da kaya mafi yawa, Babcock & Wilcox, saboda jinkirin shigar da tukunyar jirgi na Humboldt. Koyaya, an kammala shigar da su na dindindin ne kawai a ƙarshen 1930. Tambaya: Wace tukunyar jirgi aka jinkirta shigarwa?
Humboldt