PRO
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to situation and
Pozzolana, ii. 323.
Puzzolana . ii. 346.
Practice, ii. 323.
Cross Multiplication , i. 213.
Preacuing Cross, ii. 323.
Preceptory, ii. 323.
Preparation, ii. 323.
Presbytery, ii. 323.
Preserving of Timber, ii. 323.
Seasoning Timber, ii. 410.
Timber, ii. 490.
Price Book, ii. 323.
Prick Post, or Queen Post, ii. 323.
Queen Post, ii. 354.
Prime Figure, ii. 323.
Priming, ii. 323.
Principal Brace, ii. 323.
Principal Point, ii. 323.
Perspective, ii. 283.
Principal Rafters, ii. 323.
Principal Ray, ii. 323.
Perspective, ii. 283.
Priory, ii. 323.
Prism, ii. 323.
Prismoid, ii. 323.
Prison, ii. 323.
Mr. Howard’s recommendations asarrangements of prisons, ii. 324.
Description of Millbank Prison, ii. 324.
“ Pentonville Prison , ii. 325.
The penitentiary congress of Brussels, propositions of,ii. 326.
Of the arrangement of the building, ii. 326.
“ a central observatory, ii. 326.
“ the cells, ii. 326.
“ special cells, ii. 327.
“ heating and ventilation, ii. 327.
“ chapels, ii. 327.
“ parlours, ii. 327.
“ domestic service, administration, lodging of personsemployed in prisons, ii. 327.
Description of City prison, Holloway, ii. 327.Problem, ii. 328.
Producing, ii. 328.
Profile, ii. 328.
Projection, ii. 328.
Definitions, ii. 329.
Propositions, ii. 329.
Given a point on a plane inclined to the plane of pro-jection, to find the orthography or projection of thepoint, ii. 330.
To find the projection of a straight line in the originalplane, ii. 330.
To find the orthographical projection of an angle,ii. 330.
The indefinite projection of a straight line being given,to find the projection of any original point therein,ii. 330.
To find the projection of a given triangle, ii. 330.
Do. do. parallelogram, ii. 330.
To find the representation of a regular pentagon, ii. 330.Given the intersecting line and the projection of one ofthe angles of a pentagon, and the projected lengthof one of the sides, to project the whole figure, ii. 330.To find the projection of a circle, ii. 330.
Do. do. of a segment of do., ii. 330.
To find the projection of an ellipsis, the axis beinggiven, ii. 330.
Any two conjugate diameters of an ellipsis being given ;
to find the representation of the ellipsis, ii. 331.
To find the projection of any point in space upon aplane given in position, and to determine the distanceof the point from the plane, ii. 331.
Supposing a tetraedral, or three-sided solid angle to beplaced with one of its sides upon the plane of projec-tion, and one of the other two sides, and the twoinclinations adjoining that side, with the intersectionof that side to be given ; to find the projection of thegiven side, and the intersection of the remaining sideupon the plane of projection, ii. 331.
Given the representation of a point situate in a planewhose original is given ; to find the representationof a line from the original point perpendicular to theoriginal plane, ii. 331.
Given the representation of the intersection of a linewith the original plane, and the seat in and inclina-tion of the line to the original plane ; to find therepresentation of the line, ii. 331.
Given the representation of one side of a parallelopipedwith the inclination of the plane, and the other dimen-sion perpendicular to the original of that plane ; tofind the representation of the whole solid, supposingthe planes of the original solid at right angles to eachother, ii. 331.
To find the inclination of two adjoining planes of theregular solids, ii. 331.
To project the dodecaedron, ii. 332.
To divide the representation of a circle into partsrepresenting the original circle divided into equalparts, ii. 332.
To find the orthographical representation of a water-wheel, ii. 332.
To project a straight line in a plane, supposing the planewhich contains the line to be wrapped round thesurface of a cylinder, ii. 332.
To project any line upon the surface of a cone, ii. 332.Projection of wheels, ii. 333.
Given the seat and altitude of a line on a plane, and theintersection of the plane with another plane at a givenangle ; to find the sun’s seat on such plane, as also itsangle of altitude, ii. 333.
Gi ven the seat and altitude of the sun’s rays on a plane,and the angle which the seat of a line parallel to theplane of projection makes with the seat of the sun’srays; to determine the inclination of the plane ofshade obstructed by the original line towards theplane of projection, ii. 333.
Given the seat and altitude of a line, and the seat andaltitude of the sun’s rays; to determine the shadowof the line on that plane, ii. 333.
Given the inclination of a line to two planes at rightangles to each other ; to find the seat of the line oneach of the planes and the intersection of the planes,ii. 334.
Practical examples of shadows, ii. 334.
To find the shadow of a rectangular prism attached toa wall; one of the sides of the prism coinciding withthe surface of the wall, ii. 334.
To find the shadow of a cantiliver, formed as in thelast example ; the plane of elevation being placedobliquely to the surface on which the shadow isthrown, ii. 334.
To find the shadow of a rectangular ring, ii. 334.