
A colorized historical engraving shows a man in 17th-century clothing conducting an optics experiment, directing a beam of light through a prism that disperses it into a visible spectrum (rainbow) on a screen. Scientific instruments including what appears to be a telescope are visible on a table in the background. This image appears unrelated to Sea-Tac Airport noise policy.Open full document
Notes
A colorized historical engraving shows a man in 17th-century clothing conducting an optics experiment, directing a beam of light through a prism that disperses it into a visible spectrum (rainbow) on a screen. Scientific instruments including what appears to be a telescope are visible on a table in the background. This image appears unrelated to Sea-Tac Airport noise policy.