Clockmaker: Ferdinand Holzgruber (1817 Vienna – 1868 Vienna)
Date: Vienna ca. 1830
Measurements: H 171 cm
Signature: FERDINAND HOLZGRUBER IN WIEN
Description: duration 1 month, mahogany veneered case with maple stringing, enamel dial, engine turned and gilded bezel, blued steel hands, Viennese grand sonnerie movement on wire gongs, Graham escapement, maintaining power, knife edge suspension, repetition, steel-brass seconds pendulum.