Has anyone got links to pictures of chemtrails from centuries past?

Question

It would be really interesting to see the contrails from the past

Answer 1

Contrails from the past would look like... Oh I don't know maybe BLUE SKY! It was only in the last Hundered years that aviation became mainstream and the production of Contrails by passing aircraft became a normal site. Interestingly enough the appearance of chemtrails or Contrails only happens under certain atmospheric conditions and at certain altitudes and speeds.