Wilson’s Carpentry and joinery / by John Wilson (1891)
Wilson, John · Manchester [England] : Percy Bros. · leaf 28
of praotioability. The students are advised to look over the rules given showing how tofind the length of rafters, king posts, &c.; also the formula for determiningthe scantlings for various parts of roof trusses; and when any doubt exists,it is better to err on the side of excess than reduce… … SKYLIGHTS. Fig. 1. Shows a section plan and elevation of a small Bkylight on aelate roof. Scale 1 to 3. the such a height that it would lie flat on the slates when opened. The casings are deep and have a slight sinking in the centre to break the plain surface. The elevation and plan show part of…
Carpentry · Joinery
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