. Canadian forest industries 1908. Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries. THE WOODWORKER Building Window Frames. By W. C. A. Stevenson. The making of an ordinary window frame is a very simple piece of work, but when it is desired to build a window frame and lay out the pening in the building to receive it so as to make a perfectly wmdproof ob it will require a little extra skill and more accurate calculation on he part of the workman. It is too often the case that not enough care has been taken with *he making and setting of the frames. In
. Canadian forest industries 1908. Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries. THE WOODWORKER Building Window Frames. By W. C. A. Stevenson. The making of an ordinary window frame is a very simple piece of work, but when it is desired to build a window frame and lay out the pening in the building to receive it so as to make a perfectly wmdproof ob it will require a little extra skill and more accurate calculation on he part of the workman. It is too often the case that not enough care has been taken with *he making and setting of the frames. In new houses I have seen wind enough come in around the window, to blow out a lighted match. This is a condition for which there lS no excuse, and is due to pure carelessness on the part of the workman or the party in charge The details shown herewith are designed for a roughcast or frame building, and if carefully followed will produce a good tight J°b' The special features of this frame are: First, the blind stops in- stead of being the ordinary 7-8 inch by 1 1-2 inch, are 7-8 mch by 4 1-2 inch and are allowed to meet the sheathing boards on the centre of the would be given a slight pitch to form a drip over the head of frame, or, which would be still better, put a piece of galvanized iron over the top and allow it to extend up, say 2 inches, behind the strapping. Tins will prevent any water from working in behind the frame. Third the bottom sash and the stool on the inside of window are beveled to'fit together, as will be seen at the box section This makes a perfectly tight joint, and the moment the sash is lifted it frees itself. U S. Forestry Service Making Tests of Lumber. It is doubtful if any of the laboratories maintained for Government scientific research are more unique in character, and yet bear promise of more important results, than one which has just been established in Washington by the United States Forest Service for investigating the structure of commercially
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