hide Matching Documents

The documents where this entity occurs most often are shown below. Click on a document to open it.

Document Max. Freq Min. Freq
H. Wager Halleck , A. M. , Lieut. of Engineers, U. S. Army ., Elements of Military Art and Science; or, Course of Instruction in Strategy, Fortification, Tactis of Battles &c., Embracing the Duties of Staff, Infantry, Cavalry, Artillery and Engineers. Adapted to the Use of Volunteers and Militia. 1 1 Browse Search
Knight's Mechanical Encyclopedia (ed. Knight) 1 1 Browse Search
View all matching documents...

Your search returned 2 results in 2 document sections:

H. Wager Halleck , A. M. , Lieut. of Engineers, U. S. Army ., Elements of Military Art and Science; or, Course of Instruction in Strategy, Fortification, Tactis of Battles &c., Embracing the Duties of Staff, Infantry, Cavalry, Artillery and Engineers. Adapted to the Use of Volunteers and Militia., Chapter 3: Fortifications.Their importance in the defence of States proved by numerous historical examples (search)
r 700, whereas the standard of the Prophet was not planted there until 1440. This capital was therefore indebted to its walls for eight hundred years of existence. During this period it was besieged fifty-three times, but only one of these sieges was successful. The French and Venetians took it, but not without a very severe contest. Paris has often owed its safety to its walls. In 885 the Normans besieged it for two years without effect. In 1358 the Dauphin besieged. it in vain. In 1359 Edward, king of England, encamped at Montrouge, devastated the country to its walls, but recoiled from before it, and retired to Chartres. In 1429 it repulsed the attack of Charles VII. In 1464 the Count of Charlerois surrounded the city, but was unsuccessful in his attacks. In 1472 it repulsed the army of the Duke of Bourgone, who had already ravaged its precincts. In 1536, when attacked by Charles V., it again owed its safety to its walls. In 1588 and 1589 it repulsed the armies of Hen
Knight's Mechanical Encyclopedia (ed. Knight), W. (search)
lass. A silicate of soda or potash soluble in boiling water, and applied to various purposes in the mechanical and fine arts. See soluble glass. Wa′ter-heat′er. See heating-apparatus. Wa′ter-hole. （Mining.) A place where the water collects; a sump. Wa′ter-in′di-cator. A float, gage-glass, etc., arranged to show the hight of water in a boiler or tank (see water-gage.); or to give an alarm if it be decreased below a certain level. See water-gage; low-water alarm, page 1359. Mill ward's indicator is designed for showing that there is either an excess or deficiency of water in the boiler. Millward's water-indicator for boilers. The low-water indicator is shown in Fig 7107. It consists of a chamber a, divided by an elastic diaphragm b into two portions, the lower one of which is filled with water, and communicates by the pipe c with the water in the boiler; a passage d establishes a communication between the steam-space and the upper division of th