Prussian Blue. A valuable pigment of a greenish-blue colour, of great body, transparency, and permanency; a mixture of prussiate of potash and rust, or oxide of iron. (See Cyanogen.)
Prussian Brown. A deep-brown pigment, more permanent than madder.
Psaltery. A stringed instrument or kind of lyre of an oblong square shape, played with a rather large plectrum.
Pschent, Egyp. The head-dress of the ancient kings of Egypt, which should properly be called skhent, since the p only represents the article the. This head-dress is the emblem of supreme power, the symbol of dominion over the south and north. It is a diadem composed of the united crowns of the Upper and Lower Egypts.
Psephus, Gr. (ψῆφος). A round stone used by the Athenian voters to record their votes.
Pseud-iso-domum (opus). (See Opus Pseud-iso-domum.)
Fig. 564. Ground-plan of a Pseudodipteral Temple.
Pseudodipteros, Gr. and R. (ψευδο-δίπτερος). A building or temple which presents the appearance of being surrounded by a double colonnade, though it possesses only a single one, which is separated from the walls of the cella, as in the dipteral arrangement. (Fig. [564].)
Pseudoperipteros, Gr. and R. (ψευδο-περίπτερος). A building or temple which presents the appearance of being surrounded by a colonnade, although in reality it does not possess one, the columns being embedded in the walls of the cella. (See Peripteros, under which an example of this kind of temple is given.)