Spare parts of Pendulum regulator clock
Spare parts of pendulum regulator clock, by John Arnold, London, England, 1791 including winding key, metal fragments, two steel screws and one steel spring.
Pendulum regulator clock
- maker:
- John Arnold
Pendulum regulator clock, with dial calibrated to indicate decimal sidereal hour angles, by John Arnold, London, England, 1791 and spare parts
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Pendulum regulator clock
Pendulum regulator clock, with dial calibrated to indicate decimal sidereal hour angles, by John Arnold, London, England, 1791
