Ioannis Kepleris ... Strena, seu, De niue sexangula (1611)
Kepler, Johannes, 1571-1630 · Francofvrti ad Moenvm : Apud Godefridum Tampach · leaf 23
IOANNISKE- PLERIS.CMAIESX MATHEMATICI STRENA Sea ^De J\Que Sexangula. … Cum Priuilcgio S. CaeC Maicft. adannos x v FRANC OVVRTl AD JHOEtiV M, apud Godefrtdum Tampach. Anno M. DC.XI.
Hexagons · Geometry
Internet Archive · Fisher - University of Toronto · Public domain (published before 1931). Free to use for anything.
![An illustration from Madrigali ... a cinqve voci. Libro primo[-sesto] .. (1611)](https://img.insideoutlibrary.com/img/200/ia-madrigalicinqvev00gesu-394-479.webp)
