This body appears to be the source of light, and has behind it a reflector formed of concentric lamellae, while, in front, in some cases, there is a refracting lens.
Crowning the vine-clad hills behind it lie the ruins of the castle, a picturesque ivy-covered arch, whence a fine view is obtained of the Siebengebirge and the Rhine valley as far as Bonn.
At a given moment one of these compartments is burning and at its full temperature; the air for combustion is drawn in through one or more compartments behind it which have just finished burning, and is thereby strongly heated; the products of combustion pass away through one or more compartments in front of it and heat their contents before they are subjected to actual combustion.
It was useful as marking definitely the boundary of the Roman sway, and as assuring the Romans that no inroad could be made without intelligence being had of it beforehand, while the limes itself and the system of roads behind it enabled troops to be directed rapidly to any threatened point, and the fortified positions could be held against large numbers till reinforcements arrived.
Alexandria, on the other hand, tended to be unduly speculative and allegorizing even in its scholarship. The antagonism of the two schools governs much of the history of doctrine; and behind it we can trace in part the contrast between Church Platonism and what churchmen called Aristotelianism.
Alhama is finely situated on a ledge of rock which overlooks a deep gorge traversed by the river Marchan or Alhama; while the rugged peaks of the Sierra de Alhama rise behind it to a height of 6800 ft.
Between the main range and the sea there intervene at least two parallel ranges separated by deep glens, and behind it a third subsidiary parallel range, likewise separated by a deep trough-like valley, and known as the Bokovoi Khrebet.
The whole army was extended in three lines: the cavalry in front, behind it the artillery, and behind that again the infantry.
This to a certain extent is doubtless true, as in the case of the chapel of Santa Priscilla, where the altar or stone coffin of a martyr remains, with a small platform behind it for the priest or bishop to stand upon.
She even caught herself touching her ear to keep from sliding her finger behind it to the subcutaneous net implant.