Home›Concepts, Units & Instruments›InstrumentsCategoryInstruments37 entries. Click any to see everything it connects to.BrowseCompareCompare At A Past YearEnter a year to compare these entries as the atlas records them at that moment. Leave it empty for the present. A year before the common era is entered with a minus sign, so 44 BCE is minus 44.Show This YearConfidence Standing:AllThoroughly VerifiedVerifiedSelect all 12Gas ChromatographInstruments5 linksGeiger CounterInstruments4 linksLaser Interferometer Gravitational-Wave ObservatoryInstruments7 linksMagnetometerInstruments3 linksMass SpectrometerInstruments4 linksMichelson InterferometerInstruments4 linksMicroscopeInstruments7 linksOscilloscopeInstruments3 linkspH MeterInstruments3 linksRadio TelescopeInstruments7 linksSpectrophotometerInstruments3 linksThermal CyclerInstruments6 links