This weapon embodied all the essential features which distinguish the ordnance of to-day from the cannon of the middle ages - it was built up of rings of metal shrunk upon an inner steel barrel; it was loaded at the breech; it was rifled; and it threw, not a round ball, but an elongated projectile with ogival head.
The latter is, as a general rule, fixed and unalterable, its size, position on the barrel, &c., being practically ascertained, as accurately as possible, for the lowest elevation on the back-sight.
Sometimes, especially in the case of overhead travelling cranes for very heavy loads, the chain is a special pitch chain, formed of flat links pinned together, and the barrel is reduced to a wheel provided with teeth, or " sprockets," which engage in the links.
She knelt and pushed clothes and trunks out of the way to reveal a dagger wrapped in linen, several bladders, and a barrel the height of her knee.
Fischer has further established the fact that the peripheral mass, which is a hollow sphere in spherical cells, and either a hollow cylinder or barrel-shaped body in filamentous forms, must be regarded as the single chromatophore of the Cyanophyceous cell.
The calyx is a long tube, or a series of connected tubes, situated above the core barrel, to which it is equal in diameter.
In the Thies process, used in many districts in the United States, the vats are rotating barrels made, in the later forms, of iron lined with lead, and provided with a filter formed of a finely perforated leaden grating running from one end of the barrel to the other, and rigidly held in place by wooden frames.
Chlorine is generated within the barrel from sulphuric acid and chloride of lime.
One barrel went to the mill.
He perceived that to coil many turns of thin wire round an inner barrel was a logical extension of the large hooped method already mentioned, and in conjunction with I.
To separate the tobacco leaf from the stems, to remove the overlying soil from a mineral deposit before opening and working it, to turn a gun-barrel in a lathe, &c. In architecture, a "strippilaster" is a narrow pilaster such as is found in Saxon work and in the Italian Romanesque churches.
Weapons were retrieved from a small barrel pushed through the loose ranks by a youth.
A large barrel was tucked in one corner and several small bladders stacked near the front.
It differs from the normal type in many respects, as it includes residences for various sects, so that portions of it, with the several storeys externally, resemble an immense mansion or warehouse, and this would seem to have led to an important change inside, as instead of a cloister of two or more aisles there are four immense halls all covered with pointed barrel vaults.
A 55-gallon barrel stood in one corner with rags hanging over the edge.
The sucker carries a series of three or four leather cups, which are pressed against the inner surface of the working barrel by the weight of the column of oil.
Whaling was an established in- dustry in Rhode Island as Eearly as 1723, and in 1731 the colonial assembly provided a bounty of five shillings a barrel for whale oil, and a penny a pound for whalebone.
The roof, which is especially magnificent, is the finest example of a class which as a rule is only found in Venetia or in churches built by Venetian architects in Istria and other subject provinces: the framing is concealed by coving or barrel-vaulting in wood, the surface of which is divided into small square panels, all painted and gilt, giving a very rich effect.
The end of the barrel renders it peculiarly liable to injury, and in some rifles therefore it is provided with guards or ears; these, however, have the disadvantage that more or less of the light that would otherwise light up the sight is intercepted by the guards.
A few barrel weights are found at Karnak, and several egg-shaped shekel weights at Gebelen (44); also two cuboid weights from there (44) of 1 and 10 utens are marked as 6 and 60, which can hardly refer to any unit but the heavy shekel, giving 245.
It is known as flour from which bakers can make the best quality of bread, and also the largest quantity per barrel, the quantity of albuminoids being greater in Canadian flour than in the best brands of European.
In electric cranes the motor is connected to the barrel, either in a similar manner by spur gear or by worm gear.
Electric motors for barrel cranes are not essentially different from those used for other purposes, but in proportioning the sizes the intermittent output has to be taken into consideration.
His study of the making of gun-barrel iron in England enabled him to be of great assistance to the United States government during the Civil War, when he refused any profit on such orders.
18), the blast-pipe orifice B is placed at about the centre of the boiler barrel, and the exhaust steam is discharged straight into the trumpet-shaped end of the chimney, which is continued down inside the smoke-box.
For pumping a well a valved working-barrel with valved sucker is attached to the lower end of the tubing, a perforated " anchor " being placed below.
The top of the still had a removable head, connected with a condenser consisting of a copper worm in a barrel of water.
Kier fitted up a small refinery with a five-barrel still, for the treatment of the oil obtained from his father's saltwells.
Barrel amalgamation, i.e.
After charging, the barrel is rotated, and when the chlorination is complete the contents are emptied on a filter of quartz or some similar material, and the filtrate led to settling tanks.
This church, by Giuliano da Sangallo (1485-1491), is a Greek cross, with barrel vaults over the arms, and a dome; it is a fine work, and the decoration of the exterior in marble of different colours (unfinished) is of a noble simplicity.