Cyclopedia of architecture, carpentry, and building; a general reference work .. (1912)
American School (Lansing, Ill.) · Chicago, American school of correspondence · leaf 421
347 8 THE STEEL SQUARE fluous. There may, however, be a certain way of presenting the sub-ject that will carry with it almost the weight assigned to a new theory,making what is already simple still more simple. The steel square is a mighty factor in roof framing, and withoutdoubt the greatest tool…
Architecture · Building
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