An 1881 illustration of the jellyfish <n>Pectanthis asteroides</n> by artist <n>Ernst Haeckel</n>.

An illustration from <n>Specimens of Fancy Turning</n> (1869) by artist <n>Edward J. Woolsey</n>.

<n>Motif of a vibrating pendulum</n>, 1874. Photo by <n>Étienne-Jules Marey</n>.

A photographic study from <n>The Splash of a Drop</n> (1895) by <n>Arthur Mason Worthington</n>.

Plate 11 from <n>Specimens of Fancy Turning</n>, a book of lathe-work patterns by an anonymous English mechanic, 1869.

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

An albumen print from <n>Specimens of Fancy Turning</n> (1869), a book by artist <n>Edward J. Woolsey</n>.

A plate from the book <n>Specimens of Fancy Turning</n> (1869) by artist <n>Edward J. Woolsey</n>.

Underside of a leaf from <n>William Sharp</n>'s 1854 series, <n>Victoria Regia; or, The Great Water Lily of America</n>.

<n>Figure generated by a vibrating rod</n> by <n>Étienne-Jules Marey</n>, c. 1890-92.

A geometric design by <n>Charles Holtzapffel</n> from his 1839 book <n>Specimens of Fancy Turning</n>.

<n>Plate XXIX</n> from the 1869 book <n>Specimens of Fancy Turning Executed on the Hand or Foot Lathe</n>.

A photograph by artist <n>Ivana Lucic</n> for a project with art direction by <n>Clara Donadoni</n>.

<n>Harmonograph pattern</n>, a salted paper print by artist <n>Benjamin Creswick</n>, c. 1890.

An albumen silver print by <n>Edward J. Woolsey</n> from his 1869 book <n>Specimens of Fancy Turning</n>.

A geometric pattern from <n>Specimens of fancy turning</n>, created on a lathe in 1871.

An image from <n>Specimens of Fancy Turning</n> (1869) by <n>Edward J. Woolsey</n>.

<n>Ovipositor of female fly</n>, an illustration by <n>Martin Frobenius Ledermüller</n> from 1762.

An illustration by <n>Edward J. Woolsey</n> from his 1869 book, <n>Specimens of Fancy Turning</n>.