accelerator
accelerometer
accuracy
air speed indicator
all-sky camera
altimeter
ammeter
anemometer
astronomical clock
atomic clock
atomic force microscope
autoclave
avionics

balance
barometer
Beckmann thermometer
betatron
binoculars
bolometer
boron counter
bubble chamber

calibration
calipers
camera
camera lucida and camera obscura
centrifuge
chronometer
clocks and watches
colorimetry
comparator
compass
compasses
coronagraph
cyclotron

densitometer
diffraction grating
dip circle
dosimeter
dynamometer

electrometer
electron microscope

field-emission microscope
field-ion microscope
fluoroscope
Foucault pendulum

galvanometer
Geiger-Müller counter
gimbal
globe
gold-leaf electroscope
goniometer
gravimeter
gyrocompass
gyroscope

hydrometer
hygrometer

image intensifier
inclinometer
instrument landing system
interferometer
ionization chamber

laser
lidar

magnetometer
manometer
maser
micrometer
microscope
microtome

ohmmeter
oscilloscope

phase-contrast microscope
photoelectric cell
photometer
photopolarimeter
pitot tube
planetarium
planisphere
polarimeter
potentiometer
precision
proportional counter
pyrometer

radar
radiometer
radiosonde
range finder
remote sensing

scientific instruments
scintillation counter
seismograph
sensor
sextant
spark chamber
spectroheliograph
spectrometer
spectrophotometer
spectroscope
spherometer
stereoscope
stroboscope
synchrotron
synthetic aperture radar (SAR)

tachometer
telegraph
telescope
theodolite
thermocouple
thermograph
thermometer
thermostat
transducer

Van der Graaff generator
Venturi tube
vernier scale

Wheatstone bridge