Found:


Polarising Filter

John Benjamin Dancer, c. 1880, measuring instrument, NG-MC-1409

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