A dictionary of architecture and building; biographical, historical and descriptive (1901)
Sturgis, Russell, 1836-1909 · New York, Macmillan · leaf 460
adjustedthat the distances between two pairs of pointshave a constant ratio of one half. (See nextterm.) Proportional Dividers, Dividers whose legsextend in Imth direetimis from the pivot, givingtwo i)airs of ]ioints. The ])ivot is movable alonga graduated scale so that the distances betweenthe… … ./■ t- D >5 - ox S^ <» -3 rt to Oj Q) _ J^.a ^ c = = 5 illii o « i 2 >>« 5 ? H ° = I <1> . o 5 ^ ^ <*! 5 « -r ^ * *j o a o is s: 2 ■■oi - a; ? 3; c tt « a> V rt wH r= *^-P C DIVINITY HALL the distance spanued bj* one pair of points willalways equal twice the amouut subtended…
Architecture
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