Diagrams from observation of colors visible in Muscovy glass and other thin bodies

Engravings from Schem. VI of the first edition of Robert Hooke's seminal volume, Micrographia : or, Some physiological descriptions of minute bodies made by magnifying glasses. With observations and inquiries thereupon. The engravings depict various experiments conducted by Hooke to study the colors visible in Muscovy glass and other thin bodies, as described in Observ. IX of the volume.