The flow of learning was not entirely one-way; this instrument is an Islamic nocturnal based on European models. Around the edge of the back of the circular plate is engraved an ornamental inscription. It is finely decorated with engraving.

Inventory no. 51565
Nocturnal, by Radî ad-dîn Muhammad b. Sayyid Alî al-Husainî, Persian?, 18th century?