The story of architecture: an outline of the styles in all countries (1896)
Mathews, Charles Thompson, 1863- · New York, D. Appleton and company · leaf 387
a scarped height over- To gain this an armedhost had first to passthe barbican or outerwork, composed of abridge fortified withtowers (Fig. 154) ormerely palisades; nextthe drawbridge over themoat; then another pali-sade ; and finally thefirst embattled wall ofthe castle, often manyyards in… … *< Fig. 153.—Chateau de Coucy. KEEPS, SECRET PASSAGES, ETC. 365 In England the donjon was usually square, andcalled a keep, good examples of which may still beseen in Rochester Castle and the White Tower ofthe Tower of London ; but later the square shapewas generally abandoned. Much ingenuity…
Architecture -- History
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