"When I made the plans for this submarine vessel, I meant that nine-tenths should be submerged: consequently it ought only to displace nine-tenths of its bulk, that is to say, only to weigh that number of tons. I ought not, therefore, to have exceeded that weight, constructing it on the aforesaid dimensions.
The first is not less than two inches and a half thick and weighs 394 tons. The second envelope, the keel, twenty inches high and ten thick, weighs only sixty-two tons.
This will give an average (from the above estimates) of 2.7 of a ton
for the ten largest herbivorous animals of Southern Africa.
Why, it would take us a year, possibly our whole lives, to eat up twelve oxen and twelve tons of bread.'
Then twelve roasted oxen and twelve tons of bread were brought alongside of the ship, and at one sitting the glutton had devoured it all.
of sulphuric acid and ten tons
of iron filings, were put on board for the future production of the hydrogen gas.
And farmed it he had, for twenty years, shrewd, cool-headed, sober, industrious, and thrifty, rising from ship's boy and forecastle hand to mate and master of sailing-ships and thence into steam, second officer, first, and master, from small command to larger, and at last to the bridge of the old Tryapsic--old, to be sure, but worth her fifty thousand pounds and still able to bear up in all seas, and weather her nine thousand tons of freight.
The last good-bye to the wife had been at Cardiff, twenty-eight months before, when he sailed for Valparaiso with coals--nine thousand tons and down to his marks.
The Tankadere was a neat little craft of twenty tons
, as gracefully built as if she were a racing yacht.
The Rodman Columbiad threw a shot weighing half a ton
a distance of six miles, with a velocity of 800 yards per second-- a result which Armstrong and Palisser have never obtained in England."
And then the farmer in Maine or California or Texas would buy this, at say twenty-five dollars a ton
, and plant it with his corn; and for several days after the operation the fields would have a strong odor, and the farmer and his wagon and the very horses that had hauled it would all have it too.
As long as you keep her propeller under water and take care, say, not to fling down barrels of oil on top of bales of silk, or deposit an iron bridge-girder of five ton
or so upon a bed of coffee-bags, you have done about all in the way of duty that the cry for prompt despatch will allow you to do.