Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 334
gainst which the roofing butts. Sheet lead is then formed over this wooden core and into the corrugations, and fastened by means of wood screws tlirough the lead cap into the wooden core. The lead being soft, it can be worked into any desired shape. \Mien a valley occurs in a hipped roof, form from…
Architecture · Building · Carpentry
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