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Artificial Horizon
anonymous, anonymous, anonymous, c. 1830 - c. 1865, measuring instrument, NG-MC-1031
Vacuum Gauge
Eugène Bourdon, c. 1860, measuring instrument, NG-MC-1062
Log Timer
Rasmus Dekker, c. 1795 - c. 1812, measuring instrument, NG-MC-885
Salinometer
A.P. How, 1850 - 1865, measuring instrument, NG-MC-1060
Reiszonnewijzer/ kompas-zonnewijzer…
Charles Bloud, 1600 - 1699, instrument, NG-KOG-1690
Metronome
Christiaan Welmeer, 1803, musical instrument, BK-NM-8936