Hambidge, Jay, 1867-1924 · New Haven : Yale University Press · leaf 53
pping whirling square rectangles creating a root- five rectangle by their union as in Fig. 11b. Fig. 22a. Fig. 21b. The area AB in Fig. 23 is composed of two squares and two root-five rec- tangles, or the ratio 2.8944, i. e., 1.4472 multiplied by two; .691 divided into 2.000. The fraction is not… … Fig. 23.
Design
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from Albertvs Dvrervs Nvrembergensis pictor hvivs aetatis celeberrimus, versus è Germanica lingua in Latinam : pictoribus, fabris aerariis ac lignariis, lapicidis, statuariis, & vniuersis demum qui circino, gnomone, libella, aut alioqui certa mensura opera sua examinant, propè necessarius, adeò exactè : quatuor his suaru[m] Institutionum geometricarum libris, lineas, superficies & solida corpora tractauit, adhibitis designationibus ad eam rem accommodatissimis : denuo ad scripti exemplaris fidem omnia diligenter recognita, emendatius iam in lucem exeunt (1535)](https://img.insideoutlibrary.com/img/200/ia-albertvsdvrervsn00dure-180-0.webp)
