The gardener's magazine and register of rural & domestic improvement (1826)
Loudon, J. C. (John Claudius), 1783-1843, A. & R. Spottiswoode, printer, United States. Patent Office. Scientific Library, former owner DSI · London : Longman, Rees, Orme, Brown and Green · leaf 205
nsiderably less, say aninch, as \njig. 46. Slate houses of great strength and dura-bility might be made by filling up the spaces with twosurfaces of slate, distant three or four inches, andfilling up the interval with gravel and grout, orrammed puddle, as \\^fg. 4?., in which a is the ironupright,… … 48 ill iJJi of a hammer would only punch a hole through, without shat-tering the slate. In Wales and Cumberland, slates; in theiron districts, and in London, bricks,* in Yorkshire, Lan-cashire, and Scotland, sandstone flags; and, in America, timber,would be the cheapest filling materials. Slate…
