402

INDEX*

Rain water, 234. *

Rammer, for loose earth, 199. 208.

Ramparts, construction of, 23.

Ravenna, 20. 68. 70.

Receptacle of waters, 253.

Recess of a wall, 118.

Recession of objects in painting, 195.

Rechamus, 299-Red lead, 215. 223.

Reeds, indicate water, 231; Grecian reeds, 203.

Reflection from polished walls, 205.

Reservoir, 253. 290. 317-Resonant places, 146.

Reticulated work, in walling, 56; represented, 350.Reverberation, 133.

Rhine, 235.

Rhodes, 61. 161. 224. 284. 341.

Rhodian portico, 184.

Rhodians, 223. 341, et seq.; their fleet, 61.

Rhone, 235.

Ribs (asseres), 203.

Ridge-piece, columen, 104.

Right angled triangle, 256 ; method of constructing, 262.

Right line, 4.

Rivers, the greatest, flow from the north, 235.

Roads leading to gates, 21.

Rod, iron, (arcus ferreus), 153.

Roller, or cylinder, 306. 334.

Rome, praise of, 62, et seq., 168.

Romulus, house of, 40.

Roofs, 104. 118; parts of a roof, represented in section and eleva-tion, 366.

Rooms, 202. 205. 207. 176. 182.

Ropes, in machines of draught, 301.

Rule, 108; by rule and square, 204.

Rules, in hydraulics, 320.