A photograph of a <n>pendulum drawing</n>, circa 1890.

*Specimens of Fancy Turning* (1869)

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

Album art for <n>Schedule 1</n>'s self-titled EP, designed by <n>Christopher Clark</n> in 2017.

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

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

An albumen silver print from <n>Specimens of Fancy Turning</n> (1869), attributed to <n>Edward J. Woolsey</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>.

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

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

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

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