That sort of slate, other circumstances being the same, is esteemed the best which imbibes the least water ; for the imbibed water not only increases the weight of the covering, but in frosty weather, being converted into ice, it swells and shivers the... The Beauties of England and Wales: Or, Delineations, Topographical ... - 13 ページ John Britton 著 - 1814 全文表示 -
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