The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 107
condensed in columns of coke, previously exhausted, as describedin a former patent (Nov. 3, !H45), for improvements in the manufactureof sulphuric acid, or by means of a high chimney. AREA GRATINGS. ^ r Richard Marvin, of Pcrlsea, Southampton, gentleman, and WilliamHenry Mooue, of SoDthsta,… … This invention relates to constructing gratings of wrought or cast metal,or wood, as shown in the annexed engraving; fig. 1 is a plan of part of agrating, and fig. 2 a section. The bars are fixed in the frame in such amanner thai the top of one bar shall cover the bottom of the next bar.The length…
Architecture · Civil engineering · Science
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