POL
586
POW
Platform, ii. 311.
Plinth, ii. 311.
Plinth of a Wall, ii. 311.
Plotting, ii. 311.
Instruments for, ii. 311.
Plotting Scale, ii. 311.
Plug and Feather, or Key and Feather, ii. 311.
Eddystone Lighthouse , i. 334.
Plugs, ii. 311.
Plumber, ii. 311.
Tools and utensils required by, ii. 312.
Plumbery, or Plumbing, ii. 312.
Process of smelting lead-ore, and converting same intopigs of lead, ii. 312.
Properties of lead, ii. 312.
Lead, ii. 96.
Casting of sheet lead, ii. 312.
To cast cisterns, ii. 313.
Chinese method of casting thin sheets of lead, ii. 313.Of milled lead, ii. 313.
To cast pipes, ii. 313.
Soldering, ii. 314.
Directions for covering terraces, &c., ii. 314.
“ for making gutters, ii. 314.
“ “ reservoirs, ii. 314.
Of pumps, ii. 314.
Table for calculating weight of work by dimensions ofsame, ii. 314.
Plummet, Plumb-Rule, or Plumb-Line , ii. 315.
Pluteus, ii. 315.
Plyers, ii. 315.
Plymouth Marble, ii. 315.
Podium, ii. 315.
Point, ii. 315.
Point, Accidental, ii. 315.
Point, in Perspective, ii. 315.
Point, Conjugate, ii. 315.
Point, Objective, ii. 315.
Point of Contrary Flexures, ii. 315.
Point of Reflection, ii. 315.
Point of Sight, ii. 315.
Point of View, ii. 315.
Point, Visual, ii. 315.
Visual, ii. 519.
Pointed Arch, ii. 315.
Architecture, i. 14.
Pointed Architecture, ii. 315.
Origin of, ii. 316.
Gothic Architecture, i. 450.
Bishop Warburton on origin of, ii. 316.
Mr. Murphy, do., ii. 316.
Various other writers upon do., ii. 316.
Comparison of opinions, ii. 317.
Intersecting arches, ii. 317.
Invented by the Goths , ii. 317.
“ by the Saracens, ii. 317Last opinion combated, ii. 317.
The Pointed arch not the only characteristic to be con-sidered, ii. 318.
By what European country first adopted, ii. 318.Points, Proportion of Mathematical , ii. 318.
Polishing, ii. 318.
Pollard, ii. 318.
POLYCHROMY, ii. 318.
Polyfoil, ii. 319.
Similar, ii. 430.
Polygon , General Properties of, ii. 319.
Table of areas of polygons and their perpendiculars,from the centre to one of the sides, ii. 319.Polygram, ii. 319.
Polyhedron , or Polyedron, ii. 319.
PotYHEDROU’s FIGURE, ii. 319.
Polystyle, ii. 319.
Pomel, ii. 319.
Situation of, ii. 319.
Description of Torre del Greco , ii. 319.
“ Pompeii, ii. 320.
“ Cicero’s Pompeianum, ii. 320.
Pompeion, ii. 320.
Poppy-head, ii. 320.
Porch, ii. 320.
Atrium, i. 18.
Different terms for various kinds of porches, ii. 320.Of Norman porches, ii. 320.
Galilee, i. 437.
Cathedral, i. 118.
Church, i. 151.
Porphyry, ii. 320.
Description of, ii. 320.
Of horn-stone porphyry, ii. 320,
“ felspar do., ii. 321.
“ Sienitic do., ii. 321.
“ pitch-stone do., ii. 321“ clay do., ii. 321.
Portable Bridge, ii. 321.
Bridge, i. 61.
Portail, ii. 321.
Portal, ii. 321.
Port Crayon, ii. 321.
Portcullis, ii. 321.
Description of Herculaneum , ii. 321.
Lacunaris, ii. 92.
Of ancient porticos, ii. 321.
Description of various at Rome, ii. 321.
Portland Stone, ii. 322.
Position, in Architecture, ii. 322.
Position, in Geometry , ii. 322.
Post, ii. 322.
Post Crown, or King-Post. ii. 322Crown Post, ii. 215.
Post and Paling, ii. 322.
Postern, ii. 322.
Posticum, ii. 322.
Postiqoe, ii. 322.
Postscknium, or Parascenium, ii. 322.
Pot Metal, ii. 323.
Powderings, ii. 323.
Power, ii. 323.
- Force, i. 420.