The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 179
s described. SLATE COVERING. William North, of Stangate, Lambeth, Surrey, Slater, for • Improvemen m covering roofs and flats of buildings with slate.-<ira.niei October 5 1843 ■ enrolled April 4, 1844. This invention consists in the application of battens of slate in combinationwith slates for… … Fig. 2.
Architecture · Civil engineering · Science
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