Experiments and considerations touching colours. First occasionally written among some other essays, to a friend; and now suffer'd to come abroad as the beginning of an experimental history of colours / By the Honourable Robert Boyle. (1670)
Robert Boyle · London : Printed for Henry Herringman, MDC LXX [1670] · leaf 207
Color
Wellcome Collection · Public Domain Mark 1.0 (public domain). Free to use for anything.
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