Combination pocket sundial and perpetual calendar by Johann Martin

Combination pocket sundial and perpetual calendar by Johann Martin, Augsburg, in case.

Details

Category:
Time Measurement
Object Number:
1943-20
Materials:
metal
type:
crescent equinoctial sundial and perpetual calendar
credit:
Mr. P. Webster

Parts

Case for Sundial

Case for Sundial

Case for sundial, by Johann Martin, Augsburg, Germany, 1685-1720.

Measurements:
overall: 19 mm x 71 mm x 71 mm, .035kg
Materials:
leather and brass (copper, zinc alloy)
Object Number:
1943-20 Pt2
type:
case