A dictionary of architecture and building : biographical, historical, and descriptive (1902)
Sturgis, Russell, 1836-1909 · New York : The Macmillan company · leaf 465
justedthat the distances lietween two jiairs of pointshave a constant ratio of one half. (Sec nextterm.) Proportional Dividers. Dividers whose legsexti-ud in both dircctious from the jiivot, givingtwo pairs of points. The pivot is movalile alonga graduated scale so that the distances betweenthe… … a. X ;- o c ^ CD O ~ o .i:^ >, CH I 3 . -^ u ^ ^5 ^ c3 O ^ t- ^H . O (ij U I— := u Qi ^ rt O ;- 03 OJ *^ S O ■ ^ ; O tH rt S S-.i: - ^ O CO g S >> M CD t- O *-^ -^ f^ ^ ^ c? ^ s OJ c —* t- gd O 0) o ?- s s a (U CS i ^ <« is r^*^ ^ .riS O
Architecture · Architects
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