The whetstone of witte, whiche is the seconde parte of arithmetike: containyng thextraction of rootes: the cossike practise, with the rule of Equation: and the woorkes of surde nombers (1557)
Recorde, Robert, 1510?-1558 · London : J. Kyngstone · leaf 52
The feconde parte ofau^ other flatte fo?me of thcfame fcinoe Doetfothen are tljofe fo^ ♦ 9 mes calico lily flattes . 0S ill thcfe.2. longe 3. Squares : bu caufe theftocs ofthembothe,areinone pjopo3tion(fo^. 6. istri* pie to. 2: asfocllas.9.is triple to sOChcrfo^eare 2 the fohole figures calleo like… … oes of the one bcarc Ufce proportion together , as the fioes of tbeotber ooerthcn are tbet calleo liks flattes si* fo. ano their nombers,tbat Declare their quantities* in like forte arc nameo like flattes. Scholar. 3) pearceitte here: as 4 is to 2: fo.6. is to 3.bothe bepng tn a Double p roportion.…
Algebra · Arithmetic
Internet Archive · Wellcome Library · Public domain (published before 1931). Free to use for anything.
![An illustration from Perspectiva; hierinnen auffs kürtzte beschrieben, mit Exempeln eröffnet vnd an Tag gegeben wird, ein newer besonder kurtzer, doch gerechter vnnd sehr leichter Weg, wie allerley Ding, es seyen Corpora, Gebew, oder was möglich zuerdencken vnd in Grund zulegen ist, verruckt oder vnuerruckt, frener in die Perspectyf gebracht werden mag, on einige vergebliche Linie, riss vñ Puncten, [et]c. dergleichen Weg bisshero noch nit bekant gewesen (1571)](https://img.insideoutlibrary.com/img/200/ia-perspectivahieri00lenc-51-24.webp)
