134

HISTORY OF ENGINEERING.

Book I.

contrived rooms and staircases served for the use of the officers and men to whom thispart of the port was entrusted. Covered galleries and porticoes standing high abovethe sea, and stretching far into the ocean, invited mariners to enter, and produced an

imposing effect to all who navigated these seas.

The port of Claudius united to that of Trajan gives us anidea of the arrangements in use during the reign of theseemperors: magazines for stores of all kinds, docks, slips, andother buildings usually found in a modern port, were hereexecuted in a manner equal to those of the imperial city.

T

Fig. 142.

PHAROS,

Fig. 143. SECTION THROUGH CLAUDIUS ’ PORT.