Optical instrumentW
Optical instrument
AutocollimatorW
Autocollimator
CathetometerW
Cathetometer
Coherence scanning interferometryW
Coherence scanning interferometry
DipleidoscopeW
Dipleidoscope
Disappearing-filament pyrometerW
Disappearing-filament pyrometer
DynameterW
Dynameter
ErygmascopeW
Erygmascope
GlossmeterW
Glossmeter
InterferometryW
Interferometry
Level (instrument)W
Level (instrument)
Mirror galvanometerW
Mirror galvanometer
PolarimeterW
Polarimeter
Post InstrumentW
Post Instrument
PseudoscopeW
Pseudoscope
Reynolds and BransonW
Reynolds and Branson
RhinoscopeW
Rhinoscope
SpherometerW
Spherometer
StereoautographW
Stereoautograph
TheodoliteW
Theodolite
Total stationW
Total station
Upside down gogglesW
Upside down goggles
W. Watson and SonW
W. Watson and Son