Fig. 430.—Windows in second box opened.

Fig. 431.—Door in right-hand wall of second box.

In the third box ([Fig. 426]) cut a large window through the back wall four and one-half inches high and three and one-fourth inches wide. [Fig. 433] shows this window in detail with one shutter open and one closed.

Fig. 432.—Door opened.

Excellent

Window Glass Can Be Made