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Ship Tonnage, Weights and Measures

  • Cargo and Carrying Capacity of Ships - Computations and Detailed Explanations (1920)
    Weight of world's seaborne trade.—No organism can be understood unless its functions are understood. The function of world shipping is to carry the seaborne trade of all countries. Therefore, a discussion of the cargo, its nature and volume is imperative.'
  • How A Ship’s Gross Tonnage Is Computated (1920)
    All of us who are concerned with shipping are more or less familiar with tonnage terms, though we may not understand just how tonnage measurements are taken. This is a matter of importance, especially to those who are about to construct or otherwise acquire ships, as a clear understanding of our measurement rules will lead to a more thorough knowledge of the relation between tonnage and carrying capacity.
  • Net Tonnage of a Vessel and Its Computation (1920)
    In a general way, net tonnage may be described as that portion of the ship's internal capacity which may be devoted to commercial uses—the carriage of passengers and freight—and is the tonnage left after certain deductions have been made from the gross tonnage.
  • Ship Tonnage Explained - Deadweight, Cargo, Gross, Net, Displacement (1932)
    Everyone who has looked at specifications for steamships is often bewildered by the many different tonnages used for the same vessel. An ocean liner may have different gross tonnage, depending on which country's rules were used in determining the weight. Below is an article from 1932 that provides a good explanation on just what the tonnages for ships really are.
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