Apparatus for indicating how dirty an air filter is in a vacuum-

Apparatus for measuring particle morphology and method thereof

Apparatus for performing at least two measurements of characteri

Apparatus for performing twin entangled co-incident photon...

Apparatus for retouching, in situ, components such as the rotor

Apparatus for simultaneously measuring the thickness of, and the

Apparatus for use in grading hides, skins, pelts and the like

Arc/spark optical emission spectroscopy correlated with...

Arrangement for the optical detection of light radiation...

Cell analyzing apparatus

Chromatograph detection system

Collimator arrangements including multiple collimators and...

Color sensor simulating standard source illuminant

Column holder for on-column photometric detection

Combination breathalyzer and eye-sensor

Concentricity gage

Constant modulation index technique for measuring the derivative

Contact means for a weather resistance and solar radiation teste

Controlled substance detection and identification system

Customizable spectral profiles for filtering