1672/02/19 by Isaac Newton · 1 voice · 4 citations
Arts and Humanities · Mathematics · Neuroscience · #Hallucinations in medical conditions #Historical Philosophy and Science #History and Theory of Mathematics
paper · doi:10.1098/rstl.1671.0072
openalex publication_date 1672/02/19 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/10
Abstract Sir, To perform my late promise to you, I shall without further ceremony acquaint you, that in the beginning of the Year 1666 (at which time I applyed my self to the grinding of Optick glasses of other figures than Spherical,) I procured me a Triangular glass-Prisme, to try therewith the celebrated Phœnomena of Colours.