It is assumed that the student has already mastered the use of the following drawing instruments: - rulers, ordinary and parallel; ruling pen, compasses, with pen and pencil bow-sweeps, as well as the construction and use of simple scales, such as 1, 2, 3, or more feet to the inch, showing inches; or such as 1/2, 1/3, 1/4, 2/3, 3/5, 5/8 or other fraction of full size, or of any given scale or drawing: and the meaning of such terms as plan, elevation (front, back, or side), section, sectional elevation.
He should understand the object of bond in brickwork, i.e., English bond, Flemish bond, or English bond with Flemish facing, and how it is attained in walls up to three bricks thick, in the following instances, viz. - footings with offsets, angles of buildings, connection of external and internal walls, window and door openings with reveals and square jambs, external gauged arches (camber, segmental, and semicircular), internal discharging arches over lintels, and inverted arches.
1 Taken from the Directory of the Science and Art Department of the Committee of Council on Education. Edit. 1890.
He should be able to give sections and elevations to scale of the following kinds of masons' work, viz. - uncoursed and coursed rubble, block in course, and ashlar, with their bond, and the proper dimensions of the stones, as to height, width of beds, and length; and of the following dressings, viz. - window sills, window and door jambs, plain window and door heads, door steps, string courses, quoins, copings, common cornices, blocking courses; and of the following methods of connecting stones, viz. - by cramps, dowels, joggles, and lead plugs.
He should be able to show how to join timbers by halving, lapping, notching, cogging, scarfing, fishing, and mortise and tenon; as applied to wall plates, roof timbers, floors, ceilings, and partitions.
He should be able to draw, from given dimensions, single, double, and framed floors, with or without ceilings beneath them; showing modes of supporting, stiffening, and framing the timbers, trimming round hearths and wells of stairs; also floor coverings of boards or battens, rebated and filleted, ploughed and tongued, and laid folding, with straight or broken joints, bevelled or square heading joints.
He should be able to draw in elevation, from given dimensions, a framed partition with door openings.
He should be able to describe, by drawings, headings of different kinds, dovetailing, cross-grooving, rebating, plough-grooving, chamfering, rounded nosing, and housings.
He should be able to draw in elevation, and give vertical and horizontal sections of, the following doors, viz. - ledged, ledged and braced, framed and braced, panelled, and the mode of putting them together, position of hinges and furniture; as well as to describe, by drawing, the following terms as applied to panelled doors, viz. - square and flat, bead butt, bead flush, moulded, all on one or both sides.
He should be able to draw in elevation, and to give vertical and horizontal sections of, the following window sashes and frames, viz. - single or double hung sashes with square, bevelled, or moulded bars, and cased frames; casement sashes hung to solid frames, with method of hanging and securing in each case.
He should be acquainted with the proper cross section for cast-iron beams for use in floor girders or bressummers, or as cantilevers; and be able to draw such a section in its right proportions from given dimensions of flanges.
He should be able to draw in elevation, from given dimensions and skeleton diagrams, ordinary iron roofs up to 40 feet span, showing the sections of different parts, and methods of connecting them.