Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
I added green science with the same design principles. The setup is 9 blocks wide (+1 for outputting the science bottles).
All early game. You only need yellow belts, small poles and inserters but also 1 long inserter.
Typical 10 red, 12 green ratio. 2 bottles per second.