The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 219
are wilhiig to profit (throughyour columns), by the experience of others, I take the liberty of for-warding a system for setting out curves by ordinates, which, being per-fect in theory, only requires great exactness in tiic execution, anddepends but little upon instruments ; it is, I believe, in… … Let AB and CD be two straight lines, whicli are required to beunited by a curve; say for convenience of a mile and a quarter ra-dius, or 100 chains ; by producing the two lines the angle AFD mustbe ascertained with great exactness ; (tlic angle of its supplement beingmuch less, may be taken with…
Architecture · Civil engineering · Science
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