Inside Out LibraryGuilelmi Oughtred ... Opuscula mathematica hactenus inedita (1677)Oughtred, William, 1575-1660 · Oxonii : E. Theatro Sheldoniano · leaf 171HA:: BG: GE :) BLG: GLE, Sed BL H:-—BLG :'.* HLA — LEG.MathematicsInternet Archive · Wellcome Library · Public domain (published before 1931). Free to use for anything.More pictures from Guilelmi Oughtred ... Opuscula mathematica hactenus ineditaMore like this
![An illustration from Ioan Henrici Alstedii Scientiarum omnium encyclopædiæ : tomus primus [-quartus] ... (1649)](https://img.insideoutlibrary.com/img/200/ia-ioanhenricialste01alst-991-340.webp)
