Orthochronograph, by Webster and Son, date 1844. (In mahogany case, with key, spirit level, small compass and descriptive pamphlet).
Details
- Category:
- Time Measurement
- Object Number:
- 1916-8
- Materials:
- case: mahogany
- credit:
- Thomas H. Court
Orthochronograph, by Webster and Son, date 1844. (In mahogany case, with key, spirit level, small compass and descriptive pamphlet).
