The archæology of Rome, Part 7

by John Henry Parker

y. Mouth of the great drain, with the iron grating.

z. Site of the sluice-gate, and groove for it to work in, as a portcullis.

A. The Plan of this part.

B. The Section of it.

THE COLOSSEUM.
PLATE XX.

PORTION OF THE SUPERSTRUCTURE IN THE PRINCIPAL GALLERY.

PORTION OF THE SUPERSTRUCTURE IN THE PRINCIPAL GALLERY.

Description of Plate XX.

PORTION OF THE SUPERSTRUCTURE IN THE PRINCIPAL GALLERY.