Al-Jazari – A Candle Clock

Al-Jazari
Public domain
Freer Gallery of Art
A Candle Clock from a copy of al-Jazaris treatise on automata, Kitab fi ma’ari-fat al-hiyal al-handasiya

Folio from Kitab fi ma`arifat al-hiyal al-handisaya (The book of knowledge of ingenious mechanical devices) Automata by al-Jazari (d. 1206); recto: A candle clock; verso: text