Zimmermann, Erich Walter, 1888- · New York, Prentice-Hall · leaf 530
the building of new tonnage in excess oflosses; secondly, by releasing a number of ships from onebranch of the traffic to place them in another. Decreases,on the other hand, are generally due to vessels being at-tracted from the trade in question. Maritime disasters playa relatively small part.…
Merchant marine · Ships and shipping
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