Fred T. Hodgson · Frederick J. Drake and Co. · leaf 440
mmonlyadopted for constructing moulds for sills and copings.Fig. 1 is the section of a mould for a window sill. Ais the moulding board, made with two or more pieces,each iy± inches thick; a is one of two or more crossledges, made with 1 inch stuff, on which A is nailed. Bis the width board, made of… … Fig. i.—Section ok Moyti) for Casting Sills.Fig. 2.—Section of Mould for Casting Coitng.NO. 29. groove or an iron tongue E is made in B, and a pieceof thick hoop iron or iron bar is placed loosely in thegroove before the cast is filled in. F is a fixed side,V& inches thick. G is a fillet, 1%…
