Jackson, Thomas Graham, Sir, 1835-1924 · Cambridge, University Press · leaf 109
l with the top of thedome, to support a flat pyramidal roof of timber. Theplan being circular presents no difficulty to the con-struction of the dome, which is steadied not only by thegreat thickness of the outside wall, but by the weightof the brick drum that surrounds and conceals it.Though… … LONGITUDINAL SECTION
