Philippi Lansbergii Triangvlorvm geometriae libri qvatvor : in quibus novâ & perspicuâ methodo, & apodeixei [romanized], tota ipsorum triangulorum doctrina explicatur .. (1631)
Lansberge, Philippe van, 1561-1632 · Amsterdami : Apud Gvilielmvm Blaevw · leaf 1
r EDUUUPRHILIPPI LANSBERGII "TRIANGVLORVM D GEO MS TLRUJ DI BGIZONXA TOR, Inquibus nová & perfpicuá methodo, & 2vrd eA , tota iplorum "Triangulo- , rum doctrina explicatur. : Ad Senatum Populumque Middelburgen[em , / EDITIO SECYND.A D Ab Autore vecoguita , vmulti(aue 1a locis aucta, :
Trigonometry -- Early works to 1800
Internet Archive · Fisher - University of Toronto · Public domain (published before 1931). Free to use for anything.
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