Standard test flame calibration
Triple quadrupole mass spectroscopy
Radiotherapy calibration
Ion chromatography system
Graphene metrology
Radiotherapy machine
Nonlinear microwave laboratory research
Polycyclic aromatic hydrocarbon analysis
Millimetre radio waveguide testing
Vacuum balance
Femtosecond optical frequency comb
Calibrating light detectors
Ytterbium optical clock laser
Electrical impedance standards research
Coaxial electrical impedance standards
Air-gauging dimensional standards
Atomic fluorescence spectroscopy
Soot nanoparticle generator
Carbon aerosol particulate analyser
Carbon aerosol particulate analysis
Carbon capture research
Deadweight force machine
Laser testing
Glass prism and laser
Laser research
Total internal reflection of a laser beam
Laser and ruby rod
Gas chromatography
Weighing gas cylinders
Testing a scanning optical microscope
Gas testing of hydrogen membranes
Micro-scratch test
Forces measurement laboratory
3D measurement machine calibration
Testing solar panels
Ytterbium optical clock
Watt balance, SI unit research
Wearable electronics
Gas chromatograph column coil
Scanning mobility particle sizer chamber
Casting platinum-iridium kilograms
Photonics laboratory
Laser experiment
Optics experiment
Poisson's spot
Mass spectrometer
Calibrating radiotherapy equipment
Hardness testing
Plasma-assisted desorption ionisation
Hemi-anechoic chamber experiment
Wind research
Quantum Hall effect metrology system
Open path spectrometer
50 and 250ml volumetric flasks.
50ml Volumetric flask.
250ml volumetric flask.
Refraction demonstration, 1893
Glass and ceramics research
Precision instrument for photo-optical research
Spectrum of light experiment, 1889
Test at a fire-testing facility
Strontium atomic clock
Laser Megajoule laser beam simulation
Strontium ion trap ring
Laser light beam reflected in mirror
Bose-Einstein condensate research
Thermal camera for CO2 detection
Chimney stack simulator
Caesium clock detection equipment
Stardust mission aerogel calibration
Preparations at a fire-testing facility
Comparing energy efficient lighting
Mass standard replica
Torque machine
Microsphere beads, fluorescent light micrograph
Polypeptide synthesis laboratory
Hydrogen purity analysis
Hemi-anechoic chamber research
Alan Turing, British mathematician and computer scientist
Artificial laser star over Yunnan Astronomical Observatory