Clockwork mechanism for Shaw type seismograph, British, 1930-1935

Brass roller for Shaw horizontal pendulum seismograph, 1930-1935

Details

Category:
Geophysics
Object Number:
1935-348 Pt15
Materials:
brass (copper, zinc alloy) and steel (metal)
Measurements:
overall: 40 mm x 620 mm x 40 mm, .635kg
type:
instrument component and seismograph