. Handbook for rangers & woodsmen . Fig. 80. 90 HANDBOOK FOR RANGERS AND WOODSMEN against the joists, and spiked to both. If they are cut toolong they will not meet at the extreme upper points but willgap as shown in Fig. 80. If cut too short the gap will appear atthe under side. They may be tied with wind beams or windcoUars or collar beams as shown in Fig. 81. Fig. 82 showsa self-supporting roof. This method of construction prevents. Fig. 81

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectforestsandforestry