EditorialLeonhard Euler, Portrait Leonhard Euler, signed: H. Pf. Fecit, Taf. 36, p. 250, Pfenninger, Heinrich (fec.), Leonhard Meister; Heinrich Pfenninger; J. C F?si: Helvetiens ber?hmte M?nner in Bildnissen. Bd. 1. Z?rich: im Verlag von Heinrich Pfenninger Ma...
EditorialPortrait of Leonhard Euler, 1753, pastel on paper, 57 x 44 cm, signed and dated top right: E: Handmann, Pinx: 1753., Emanuel Handmann, Basel 1718?1781 Bern.
EditorialZonnestelsel volgens Leonhard Euler. Waerelds t'zaamenstel volgens Leonhard Euler (title on object). Draughtsman: Jan Brandes (signed by artist). Dating: 27-Feb-1792. Place: Sk?lsebo. Measurements: h 386 mm ? w 496 mm.