Fred T. Hodgson · Frederick J. Drake and Co. · leaf 232
two circular mouldings in plaster, the diam-eter of one being exactly double that of the other. Eachcircle is cut into four quadrants or quarters. Two of thequadrants of the larger circle form the sides of one oval,and two quadrants of the smaller circle form the ends,the four segments making a… … 230 CEMENTS AND CONCRETES mouldings on arches, doors, or windows as well as foroval panel mouldings. The formation of ovals by thismethod has been employed by plasterers for genera-tions, but owing to the want of a definite rule for set-ting out this form of oval to any given size, its use hasbeen…