Sloan's constructive architecture; a guide to the practical builder and mechanic. In which is contained a series of designs for domes, roofs and spires .. (1859)
Sloan, Samuel, 1815-1884 · Philadelphia, J. B. Lippincott & co. · leaf 27
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Architecture · Domes · Roofs · Spires
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.