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Wood agreed, there hath been coined from Lady-day 1723 to March 28, 1724, in half-pence, fifty and five tons, five hundred and three quarters, and twelve ounces, and in farthings, three tons, seventeen hundred and two quarters, ten pounds, and eight ounces, avoirdupois, the whole coinage amounting to 59 tons, 3 cwt, 1 qr. 11 lbs. 4 ozs., and by the specimens of this coinage which have, from time to time, been taken from the several parcels coined and sealed up in papers, and put into the pix, we found that sixty half-pence weighed fourteen ounces, Troy, and eight pennyweight, which is about a quarter of an ounce above one pound avoirdupois; and that thirty farthings weighed three ounces, and three quarters of an ounce Troy, and forty-six grains, which is also above the weight required by his Patent.
The fact was that the balloon, which had become chilled through the night hours, was gathering a great weight of moisture from condensation on its surface, and when, at last, the whole depth of the cloud, 1,500 feet, had been penetrated, the chill of the upper air crippled the balloon and sent her plunging down again into the mist, necessitating yet further expenditure of sand, which by this time had amounted to no less than 3 1/2 cwt. in twenty minutes.
The weight in full working order is, on the leading wheels, 11 tons 3 cwt.; driving wheels, 17 tons 11 cwt.; trailing wheels, 11 tons 18 cwt.; total, 40 tons 12 cwt.
And yet for a planter to put down 3 cwt. of bones per annum regularly is quite a common thing, and a friend of mine, after having manured his land one year with bones to a moderate amount, put down each year, for the two following years, no less than three-quarters of a ton of bone-meal per acre.
The heating surface of locomotive boilers should be about 80 square feet for each square foot of grate bars, and upon each foot of grate bars about 1 cwt. of coke should be burnt in the hour. Q. Probably the heat is more rapidly absorbed when the temperature of the furnace is high? A. That seems to be the explanation.
The weight in full working order is on the leading wheels, 10 tons 5 cwt.; driving wheels, 11 tons; trailing wheels, 9 tons 15 cwt.; total, 31 tons. Turning now to the London and North-Western Railway, we find that between 1862 and 1865 the express trains were worked with a handsome type of engines, known as the "Lady of the Lake" class.
In some of the Cornish boilers, however, a pound of coal raises 11.8 lbs. of boiling water into steam, or a cwt. of coal evaporates about 21 cubic feet of water from 212°. Q. What method of firing ordinary furnaces is the best? A. The coals should be broken up into small pieces, and sprinkled thinly and evenly over the fire a little at a time.
The grate area is 20.65 square feet, and the tractive power per pound of mean cylinder pressure is 111 lb. The weight in full working order is leading wheels, 13 tons 16 cwt.; driving wheels, 14 tons 10 cwt.; trailing wheels, 10 tons 8 cwt.; total, 38 tons 14 cwt. The tender weighs 27 tons.
In the chests were gunpowder in bottles and a quantity of small shot for present use; tobacco in large rolls; 1 cwt. of snuff; all the heavy tools, spades, shovels, and axes, and a variety of other useful articles. The tilt-frame was much stouter than that of the two other wagons, for the hoops met each other so as to make it solid.
The minutes of the Council are considered the statutes of the land, and in them the provision districts are directed to furnish so many bags of pemmican, so many bales of dry meat, and so many cwt. of grease, every year; and no reference whatever is made to restrictions of any kind in killing the animals.
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