American whalers fitted out at Boston and their catch results between 1787-1789

Biodiversity Heritage Library

Number of whalers yearly fitted out for the Northern whale fishery 6

Total tonnage 450 tons

Number of employed seamen 78

Number of barrels spermaceti oil yearly taken 360

Source

John MacGregor. The progress of America from the discovery by Columbus to the year 1846. Vol II. London, 1847, p. 588.