and then, with one of the hollow ivory moulding tools run along the edge by pressure, give the intended round.
Acroteria.—May be modelled in exactly the same manner as previously described for chimney shafts (see page [80], ante).
B.
Barge Board.—First determine on the thickness your board is to be, and then let the paper for it be pressed closer together than that used for ordinary work; carefully draw the pattern, and cut out with knife No. 3, splaying the tracery with knives Nos. 1 and 2, and smoothing with an ivory or agate burnisher.
BARGE BOARD.
Buttress.—If they are to a large scale, say quarter-inch, one foot, they are best boxed out; the angles carefully and accurately mitred. Less scale, they may be boxed out of double thickness, as described for chimney shafts; or, if very small size, they may be cut from the solid.
SIDE VIEW.
