Atmospheric clock, Mercury, unsigned, 1850-1900. The time is shown by a bead of mercury falling down a sealed plugged glass tube under gravity. The use of mercury in timekeeping has several different patents.
Details
- Category:
- Time Measurement
- Object Number:
- 1953-365
- Materials:
- mercury, mahogany (wood), paper (fibre product), iron and brass (copper, zinc alloy)
- Measurements:
-
overall: 600 mm x 60 mm x 15 mm,
- type:
- timepiece
- credit:
- Mr. James Keggie.
