Hints to young architects, comprising advice to those who, while yet at school, are destined to the profession, to such as, having passed their pupilage, are about to travel and to those who, having completed their education, are about to practise, together with a model specification involving a great variety of instructive and suggestive matter (1887)
Wightwick, George · London, Lockwood · leaf 269
tituting wrought-iron laths, strong copper wire for hanging the slates,instead of nails. [Note.—Iron roofs may be covered, 1st, byslating on wrought-iron laths ; 2nd, corru-gated or plain sheet-iron upon same; 3rd,by cast-iron galvanised plates fixed torafters; 4th, plain sheet-iron on boarding.]… … each, and full inch thick : uniformly laid, withtheir ends meeting in a close joint along the SLATING. 257 upper surface of each rafter; each superiorcourse to lap over the course below at least 2 inches ; and the vertical or meeting joints tobe covered v^ith imperial slate slips not less than 3…
Architecture
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