Search in Rijksstudio
Metronome
Johann Nepomuk Maelzel, c. 1880 - c. 1900
Artificial Horizon
anonymous, anonymous, anonymous, c. 1830 - c. 1865
Vacuum Gauge
Eugène Bourdon, c. 1860
Correction Circle
Peter Barlow, 1820 - 1825
Measuring Rod
anonymous, anonymous, 1750 - 1825