Measurements of support of (a). H at left. W at bottom. Measurements of support of (b): H (at left): 59.17 in. (150.3 cm); W (at bottom): 26.875 in. (68.3 cm). Individual sheet height: 17.0 in. (43.180). Panel (individual sheet) width varies: 21.25 - 21.5 in. (53.975 - 54.61 cm). Repeat W: 21.625 in. (54.928 cm). Chain intervals and laid lines per cm could not be measured.