Diagrams of microscope and assorted optical instruments and devices

Engravings from Schem. 1 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 a microscope (Figure 6) and assorted optical instruments and devices used by Hooke, as described in the preface of the volume.