Astronomical observer’s ‘follower’ clock showing gridiron pendulum

Astronomical observers 'follower' clock; movement with centre-seconds; pendulum and remontoire constant force escapement; white enamelled dial; ring with aperture allowing escapement to be seen; mahogany pedestal case with glass dome containing freak regulator. TRAIN-COUNT. Gt wheel 100 Inter wheel 84/16 Centre wheel 64/14 3rd wheel 60/8 4th wheel 60/8 Escape wheel 60/10 and 10 pins and 10 leaves to star. Fly 6 leaves. Canon pinion 12 Minute wheel 36 Minute wheel 10 Hour wheel 40