Nocturnal and pocket universal sundial

Nocturnal and pocket universal sundial, both showing Italian hours, steel and brass, 2 1/ 2" diameter in shaped tooled-leather sling case, incomplete

Details

Category:
Time Measurement
Object Number:
1952-234
Materials:
steel, brass (alloy), leather, tooled, portable and chronological
Measurements:
diameter in case: x 2 1/2 in.; x 63.5 mm
type:
nocturnal and universal sundial
credit:
Mr. H. E. Backer