New hi-res scans of NASA's 1970s dreams of space colonies

NASA's groovy imagining of space settlements were put in the public domain in 2007, and now space antropologist Michael Oman-Reagan has shared these remarkable hi-res scans created by David Brandt-Erichsen.

Via Michael:

In the 1970s, NASA Ames Research Center (ARC) conducted space colony summer studies on Toroidal Colonies and Bernal Spheres which could hold population of up to 10,000 humans living in space, and on Cylindrical Colonies which could hold a population of 1,000,000.

Three Visions of Human Space Settlement: 1970s. How NASA Imagined Life in Space (Medium / Michael Oman-Reagan)

Previously: Awesome Space Colonies; Gallery of Space Colony Art; Space Colony Art