Agricultural Rings of a Bernal Sphere
Bernal Sphere Construction — Don Davis
Bernal Sphere Cutaway — Rick Guidice
Bernal Sphere Model — NASA Ames
Cylinder Eclipse — Don Davis
Der Mensch als Industriepalast — Fritz Kahn
Interior of a Bernal Sphere — Rick Guidice
Multiple O’Neill Cylinders — Don Davis
O’Neill Cylinder Endcap — Don Davis
O’Neill Cylinder Exterior — Don Davis
O’Neill Cylinder Interior — Rick Guidice
Torus Cutaway — Rick Guidice
Torus Interior — Don Davis
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7th War Loan: Now All Together — C. C. Beall, 1945
A Book Mark Would Be Better! — Arlington Gregg, 1936–1940
A Crater in Scalloped Terrain
A Family of Vipers
