Exploded and dissected skulls. Beauchene Skull - Mounted preparation of human skulls were used to demonstrate better views of separate cranial bones. 19th Century. The above images, I presume, were most likely prepared and mounted by RMC.
Princeton physicist Gerard O’Neill in collaboration with NASA Ames Research Centre and Stanford University held a series of space colony studies that explored the potentiality of humans inhabiting giant spaceships. Structures that held over 10,000 people were constructed and the artistic representations of them are fascinating.
Illustration from Cyclopaedia: or, An Universal Dictionary of Arts and Sciences (two volumes in folio) — an encyclopedia published by Ephraim Chambers in London in 1728, and reprinted in numerous editions in the eighteenth century.