The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 230
tion for it, which is asfollows. I retain my former notation and the expression for the altitudeof the point C from which B. H. B. says the error arises, namely cosec e cos T 1 , but in this case I shall substitute its equivalent for the segmental formula, or, ~ cosec 6 cos t, because the equation… … i 7i, A.E Fig. 27. Let A B C in the annexed diagram, called fig. 27, represent the planof the acute quoin of the arch, then when the point A may haveascended to the altitude signified by t, let us suppose it to be perpen-dicularly over the point E, fig. 27. Let us also suppose A C tig. 27 c which…
Architecture · Civil engineering · Science
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