public domain

<n>'Can You Imagine'</n> (1865), an illustration by <n>Émile-Antoine Bayard</n> for <n>Jules Verne</n>'s novel <n>From the Earth to the Moon</n>.

Illustration by <n>Alphonse de Neuville</n> for <n>Jules Verne</n>'s 1870 novel <n>Around the Moon</n>.

Plate 81 from <n>Adolf Schmidt</n>'s <n>Atlas der Diatomaceenkunde</n>, published in 1890.

An 1881 illustration of the jellyfish <n>Thamnostylus dinema</n> by artist and biologist <n>Ernst Haeckel</n>.

<n>Zodiac Man</n>, a 1545 <n>woodcut</n> by <n>Walther Hermann Ryff</n>.

<n>Une colique lunaire</n>, an 1870 illustration by <n>Émile-Antoine Bayard</n> for <n>Jules Verne</n>'s "<n>Autour de la Lune</n>."

Diagrams from <n>James Sowerby</n>'s 1809 book, <n>A New Elucidation of Colours</n>.

<n>The Spirit of the Moon</n> by <n>Émile-Antoine Bayard</n> for <n>Jules Verne</n>'s 1870 novel *Around the Moon*.

"Night Shells" illustrations from an 1883 catalog by Japanese firework maker <n>Jinta Hirayama</n>.

A vintage scientific diagram of <n>Radium</n>, from a plate labeled TAB. XV.

The <n>Prismatic colour wheel</n> from <n>The Natural System of Colours</n> by <n>Moses Harris</n>, 1766.

Cover art for <n>Dougie Bowne</n>'s album <n>The Stars Are Indispensable</n>. Artwork by <n>Robert Fludd</n>.

<n>Discomedusae</n> (1904), a lithograph by <n>Ernst Haeckel</n> from his book <n>Kunstformen der Natur</n>.

<n>Plate XVII</n> from <n>Thomas Wright</n>'s 1750 book <n>An Original Theory or New Hypothesis of the Universe</n>.

<n>The Apparition</n> (1898), an illustration by <n>E. Tilly</n> from the book <n>Magic: Stage Illusions and Scientific Diversions, Including Trick Photography</n>.

<n>Mezzotint colour chart</n> by <n>Jacques-Fabien Gautier d'Agoty</n>, 1749.