Engraved plate of two 18th-century microscopes with labelled parts laid out around them, captioned Ellis's Aquatic Microscope and The Double Constructed Microscope.

Two Microscopes: Ellis's Aquatic and the Double Constructed Microscope, 1787

An engraved plate shows two labelled microscopes on a left and right panel, with separate parts such as lenses, stage plates, tweezers and a mirror laid out around each instrument. Hatched shading defines the wooden bases and brass fittings, with figure numbers and captions printed below.

Artist: Milne.
Date: 20 May 1787
Medium: Engravings
Source: Wellcome Collection
Size: 4000 × 3118 px

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Public domain · Wellcome Collection marks it Public Domain Mark; made by 1787.
Rights checked 2026-11-05 · tier A · as stated by the source: Public Domain Mark (Wellcome Collection)

Credit (appreciated, not required for public-domain works): Wellcome Collection

18th century 1780s 1787 engraving technical illustration brass copperplate scientific instruments optics lenses microscope