At an average of thirty banks to a side, that's three hundred oarsmen per vessel.

These barges were primarily propelled by oars, with 26 per vessel.

For safety, we'd prefer to ship no more than five per vessel.

Looters are often paid between $200 and $500 per vessel.

In Florida, the species has a minimum size limit of 24 inches and only two fish are allowed per vessel per day.

The troops usually number about a thousand per vessel.

His bid was $89,600 per vessel, and he agreed to complete them by 10 October 1861.

It noted that average ransoms had risen from $600,000 (£390,000) to $4.7m per vessel over the last four years.

Nevertheless, we are talking about licences for 70 boats - 120 tonnes per vessel, if all of them go in.

Thus, the total cost to refit the four boats is just under $700 million per vessel.