ROOFS.

PLATE CCCLXIII.

Fig. 1.

Fig. 1: A diagram showing a roof structure with a wall on the left. A horizontal beam is supported by a wall and a vertical post. A weight 'W' is suspended from the beam via a pulley system. Points are labeled A, B, C, D, E, F, G, H, I, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z.

Fig. 2.

Fig. 2: A diagram of a horizontal beam supported by two vertical posts. Weights 'W' and 'W'' are suspended from the beam. Points are labeled A, B, C, D, E, F, G, H, I, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z.

Fig. 3.

Fig. 3: A diagram of a triangular roof structure with a weight 'W' suspended from the center. Points are labeled A, B, C, D, E, F, G, H, I, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z.

Fig. 4.

Fig. 4: A diagram of a circular or semi-circular structure with points labeled A, B, C, D, E, F, G, H, I, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z.

Fig. 5.

Fig. 5: A complex geometric diagram showing a polygon with internal lines and points labeled A through Z.

Fig. 6.

Fig. 7.

Fig. 7: A diagram of a curved roof structure with points labeled A, B, C, D, E.

Fig. 8.

Fig. 8: A diagram of a polygonal roof structure with points labeled A through Z.

Fig. 9.

Fig. 9: A diagram of a triangular roof structure with points labeled A through Z.

Fig. 10.

Fig. 10: A complex geometric diagram showing a polygon with internal lines and points labeled A through Z.

Fig. 11.

Fig. 11: A complex geometric diagram showing a polygon with internal lines and points labeled A through Z.

Fig. 13.

Fig. 13: A diagram of a semi-circular roof structure with points labeled A through Z.

Fig. 12.

Fig. 12: A diagram of a simple triangular roof structure with points labeled A, B, C.

Fig. 14.

Fig. 14: A diagram of a simple triangular roof structure with points labeled A, B, C.
A blank, aged page with a light beige background, showing numerous small brown spots (foxing) and faint, illegible markings near the top edge.This image shows a blank, aged page of paper. The paper has a light beige or cream color and a slightly textured surface. There are numerous small, brownish-yellow spots scattered across the page, which are characteristic of foxing, a form of paper degradation. In the upper portion of the page, there are some very faint, illegible markings that appear to be bleed-through from the reverse side of the paper. The overall appearance is that of an old, unused document page.

ROOFS.

PLATE CCCCLXIV.

Fig. 15.

Fig. 15: A simple triangular roof truss with vertices A, B, and C. A vertical support is at point D on the base AC.

Fig. 16.

Fig. 16: A vertical cross-section of a roof structure showing a central vertical support, a horizontal beam, and a diagonal brace. Labels include 'Knee', 'Key', 'Strap', and 'Brass'.

Fig. 17.

Fig. 17: A triangular roof truss with vertices A, B, and C. A vertical support is at point D. Diagonal braces connect B to G and H, and A to G, C to H. The peak is labeled K.

Fig. 18.

Fig. 18: A complex roof truss with vertices A, B, C, and D. It includes a central horizontal beam with points E, F, and M. Diagonal braces connect B to E and F, and C to E and F. The peak is labeled K and the base is labeled H.

Fig. 19.

Fig. 19: A roof truss with vertices A, B, C, and D. It features a central horizontal beam with points E and G. Diagonal braces connect B to E and C to G.

Fig. 20.

Fig. 20: A roof truss with a central vertical support and diagonal braces forming a rectangular opening in the middle of the roof.

Fig. 21.

Fig. 21: A side elevation of a building with a stepped roof structure.

Fig. 22.

Fig. 22: A roof truss with a central vertical support and diagonal braces.

Fig. 23.

Fig. 23: A side elevation of a roof structure with a central vertical support and diagonal braces.

Fig. 24.

Fig. 24: A large, detailed roof truss with multiple vertical supports and diagonal braces.

Fig. 25.

Fig. 25: A roof truss with vertices A, B, C, and D. It features a central horizontal beam with points E and F. Diagonal braces connect B to E and C to F.

Fig. 27.

Fig. 27: A complex roof truss with multiple vertical supports and diagonal braces.

Fig. 26.

Fig. 26: A roof truss with vertices A, B, and C. It features a central vertical support at point D. Diagonal braces connect B to A and C to D.

Fig. 29.

Fig. 29: A complex roof truss with multiple vertical supports and diagonal braces.

Fig. 28.

Fig. 28: A curved roof structure, possibly a vault or arch, with internal diagonal braces.

Fig. 30.

Fig. 30: A side elevation of a curved roof structure with a central vertical support.

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