The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 99
the curve C D, which is equal to the part O E, (herefore the re-maining part Q E is equal to the radius of the required curve. Andit mav bo proved, as in the former cases, that the arc G E, describedwith that radius and with the centre Q, will be tangent to both tljegiven curves. In the case when… … Let A B, C D (fig. 2) be the given curves, tlie former being tangentto tlie straight Hue 1 A at the point A. To draw a common tangent tothe two given curves. Join (on the plan) their centres () and P by a straiglit line, and onO P as ii diameter, descrHie th(( circumference O H P K; than fromt) and…
Architecture · Civil engineering · Science
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