London : Longman, Rees, Orme, Brown, Green, and Longman · leaf 531
)roporti()ns. … Having laid down the axis major [a c) at 2^ in., and the axisminor {h d) at if, the ellipse (« /; c d) was described by takingf of the axis major for the radius of tlie sides, and the remain-ing ^ for the radius of the ends. These two segments of circlescoincided exactly, which was not the case…
Architecture
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