Electrophoretic analyzer with automatic reference circuit
Endoscope reprocessing and sterilization system
Examination of the physical properties of thin films
Fabry-Perot interference spectrometer
Filter regulator for microspectrophotometer
Flow cell
Focalization process of spherical concave diffraction gratings
Gas detector tube reader
Guar gum composition and process for making it
Half-maximum threshold circuit for optical micrometer
Hand-held automatic refractometer
Handy refractometer
High resolution alignment interferometer
High resolution, high contrast Fabry-Perot spectrometer
High-resolution fourier interferometer-spectrophotopolarimeter
Highly sensitive process for measuring fine deformation
Holographic arrangement for testing materials without destroying
Holographic shearing interferometer
Illuminating means for refractometer
Illumination system