Fig. 249.—In Cutting the Opening for the Bay Windows, leave a Narrow Strip over the Opening, as above, for a "Beam."

The Bay Windows on the second and third stories are built of cigar-box wood. Instead of cutting away the entire width of the box at the points of attaching these bays, it is a better plan to leave a narrow strip over the opening, as shown in [Fig. 249]. This will hold the walls together, and will form a "beam" across the ceiling. The side edges of the pieces that form the front of the bay must be slanted off so as to fit at the proper angles, and the window openings must be cut carefully, because the margin of wood around them is narrow and will split easily. Fasten together the members of the bays, also the inside partitions, with glue and brads.

The Joints between the Units, when piled one upon another, are concealed by a band of wood ½ inch wide nailed around the front and two ends of the bottom of the second and third story units ([Figs. 247] and [248]). These bands should project about ¼ inch below the bottoms of these boxes, so as to set down over the boxes beneath. They must not extend around the back of the boxes, and cannot be fastened to the first story box, because they would interfere with placing the boxes close together as in [Fig. 244].

The first story unit must be raised to the same floor level as the other stories, however, and a thin board of the same thickness as the projection of the strips on the second and third story units must be nailed to its bottom to bring it to the same level ([Fig. 246]).

Figs. 250 and 251.—How the Removable Roof is Constructed.
Fig. 252.—How the Chimney and Chimney Cap are Made.

The Roof Construction is shown in [Fig. 250]. Boards H ([Figs. 250] and [251]) should be cut of the right size to form a projection of 1½ inches over the front and ends of the building, and the piece I should be cut to the proper shape and size to form an equal projection over the bay windows. Strips J and K are 1 inch wide, and should be fastened to boards H so they will come exactly over the front and end walls when the roof is set in place. Block L should be cut of such a shape and size that when nailed to strip K its front edges will come directly over the walls of the bay windows. A narrow strip nailed to the under side of the roof boards, close against the walls, will conceal the joint between the roof and top story and make a good finish molding.