to demand that thesehigh structures shall be fireproof, and that there shall beground or courts about them, so that they cannot interferewith neighboring property. The rule should be, at least 40per cent of vacant space wherever a high building is erected.The limit now demanded by law is too small.… … PRICES IMPROVED FURNACE GRATE. spacing of the bars, which may be larger for coarse and finerfor small fuel, and so on down to culm, or coal waste. The tubular shafts are open at each end, and the naturalpassage of the cold air from the outside to the high tempera-ture of the inside, into which they…
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