Fred T. Hodgson · Frederick J. Drake and Co. · leaf 245
longer. Fix these up inside the jambs of theopening, taking care to see that they are perfectly up-right, and keep them the thickness of the trammel boards(which is 1 in.) back from the face of the opening onwhich the architrave is to be. Then cut three pieces of METHODS OF WORK 241 5 in. by 2 in.,… … PLASTERERS TRAMMEL FOR ELLIPTICAL ARCHITRAVE. NO. 24. in., and cut the slots, which are % in. wide and of aLength which may be easily ascertained by simple geom-etry. Halve the boards together at the joint and fur-ther secure them by screwing a plate of the thickest sheetzinc obtainable on the…