Figure 177.—Rule of Six, Eight and Ten. Diagram showing how to stake the foundation of a farm building so the excavation can be made clear out to the corners without undermining the stakes.
Figure 178.—Roof Truss built strong enough to support the roof of a farm garage without center posts.
Figure 179.—Design of Roof Truss Intended to Span a Farm Garage.
Figure 180.—Roof Pitches. Mow capacity of the different roof pitches is given above the plates in figures.