The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 351
surfacearound it having a radius equal to double the height of the point fromthe surface of the earth, or that 150 feet in height would protect acircular area 600 feet in diameter. I send you a sketch of Kirkstalchurch spire as it appeared after struck by lightning, with a tracingfrom a sketch of…
Architecture · Civil engineering · Science
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