Pocket Sun Dial
The POCKET SUN-DIAL - a precursor of the pocket watch - let the sun's light pass through a small hole to reach a dial marked on the inside rim
Picture No
10052560
Media ID
47216497
Size
2614px x 4639px
(2.1MB)
Credit
Mary Evans Picture Library
Source
cigarette card by an unnamed artist in Morris's series Measurement of Time' (1924)
Date
16 - 17th centuries
