. Johnson's new universal cyclopaedia : a scientific and popular treasury of useful knowledge. ( tiun-i);tl killi». of merchantable wood. As the side-walls and arch arehabitually made only 8 inches (or one brick) thick as ameasure uf ec<cr framework on the outside to jirevent their being throwndowu by alternate |>unsiun and contraction wheu^u end-walls are generally 1 foot thick. The supportingframe consists of upright timbers 4 inches by 12 inehes, and19 ftct long, placed about .{ feet apart, witli their edgesagainst the side-walls and end-walls. They are tied to-gether at to


. Johnson's new universal cyclopaedia : a scientific and popular treasury of useful knowledge. ( tiun-i);tl killi». of merchantable wood. As the side-walls and arch arehabitually made only 8 inches (or one brick) thick as ameasure uf ec<cr framework on the outside to jirevent their being throwndowu by alternate |>unsiun and contraction wheu^u end-walls are generally 1 foot thick. The supportingframe consists of upright timbers 4 inches by 12 inehes, and19 ftct long, placed about .{ feet apart, witli their edgesagainst the side-walls and end-walls. They are tied to-gether at top by 4-inch by G-inch horizontal cross-tics. Fora kiln of the above dimensions fourteen of these frames,each consisting of two uprights and one cross-tie, embracethe kiln transversely, and four of them longitudinally. Thetransverse frames are stinened at the angles by diagonalbraces, spiked to the uprights and cross-ties. In the sideand en<l-wall8 numerous vent-holes aro left, each of thowidth and (hieknesH of ii brick (about 4 inches b


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Keywords: ., bookcentury1800, bookdecade1880, bookidjohnsonsnewu, bookyear1881