...About the latter end of theyear 1764 my master bought a larger sloop, called the Providence,about seventy or eighty tons, of which my captain had the command... 
Olaudah Equiano 「The Interesting Narrative of the Life of Olaudah Equiano, Or Gustavus Vassa, The African」
...Having taken at this place some fine wines, fruits, and money, weproceeded to Cadiz, where we took about two tons more of money, &c...
Olaudah Equiano 「The Interesting Narrative of the Life of Olaudah Equiano, Or Gustavus Vassa, The African」
..." The Conference Committeefinally arranged a compromise, forbidding the coastwisetrade for purposes of sale in vessels under forty tons...
W. E. B. Du Bois 「The Suppression of the African Slave Trade to the United States of America」
...Up to April the town consumed 4,099 tons of food-stuffs; 12,256 tons of oats, fodder, meal, and flour; and 930 tons of fuel; making a total of 17,285 tons...
Lady Sarah Wilson 「South African Memories」
...A single quick glance aloft sufficed to inform me that she was barque-rigged, and probably of about three hundred and fifty tons measurement...
Harry Collingwood 「A Middy of the Slave Squadron」
...The forty or fifty tons brought in every month pay them cent, per cent...
Richard F. Burton 「Two Trips to Gorilla Land and the Cataracts of the Congo Volume 2」
...These craft easily carry 10 tons, and travel 200 to 300 miles, which, as Mr...
Richard F. Burton 「Two Trips to Gorilla Land and the Cataracts of the Congo Volume 1」
...In many cities andtowns florists consider pigeon manure the best fertilizer they can getfor flowers and garden crops and large tanneries use tons of it intanning leather...
Carl Dare 「Profitable Squab Breeding」
...It was under a bed ofmatted oak brush on top of which lay a huge stone slab, estimatedto weigh two or three tons...
Lee Raymond Dice 「The Mammals of Warren Woods, Berrien County, Michigan」
...They make long voyages throughout acountry, storing away tons of grain and food in these variousgranaries...
Royal Dixon 「The Human Side of Animals」
...They are in such abundance, that a vessel of a hundred tons might load herself in three times her length...
Samuel Griswold Goodrich 「Illustrative Anecdotes of the Animal Kingdom」
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