Johann Leonhard Rost – Diagrams of Astronomical Spheres and Coordinates – EngravingDahlstroms Auctioneer4.3(21)€20(1 bid)2 days Left
Amédée Guillemin – Comparative Apparent Size of the Sun from Solar System PlanetsProverde Auctions4.5(71)$51 hr Left
Robert Bénard – Catoptric Amusements, Optical Mirror Devices – Engraving (18th Century)Proverde Auctions4.5(71)$51 hr Left
