Colored etching with aquatint on paper. Sphère Aréostatique ou Globe Volant. An image of the first small gass balllon ascending over the Champ de Mars on August 27, 1783. J.A.C. Charles built the ...

Alien Probe, Sentient Machine, Nuclear Weapon, or Junk? What is the Betz Mystery Sphere? In the Spring of 1974, a large brush fire swept across the property owned by Antoine and Gerri Betz. While ...

The Pentagon confirmed that a mysterious “Pyramid” UFO video as well as photos of three other bizarre flying objects, dubbed “Sphere,” “Acorn,” and “Metallic Blimp,” are authentic, were taken by ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This green plastic printed circuit ...