Case clock created by Christoph Sauer, ca. 1735

Description

Case clock created by Christoph Sauer, ca. 1735. Engraved “Christopher Souers” [sic.] on the chapter ring. An upper aperture displays moon stages and a lower aperture displays the date of the month.

Source and Copyright

Medium Color Photograph
Source Library Company of Philadelphia
Copyright Copyrighted
Disclaimer Courtesy of Library Company of Philadelphia