|
US3514604A
|
|
Pulsed microwave light source
|
|
US3540825A
|
|
Double beam spectrometer readout system
|
|
US3490848A
|
|
Spectral grating apparatus
|
|
US3329105A
|
|
Optical support table
|
|
US3409374A
|
|
Optical grating spectral dispersion systems
|
|
US3433557A
|
|
Mounting for interchangeable gratings
|
|
US3238368A
|
|
Absorption analysing apparatus with means for reflecting short wavelength ultraviolet radiation along measuring and reference optical paths
|
|
US3211049A
|
|
Ultraviolet monochromator
|
|
US3161769A
|
|
Ultraviolet spectrometer with means to change the length of the optical path in the fluent material
|
|
US3090863A
|
|
Monochromator adapted for use in the ultra-violet region
|
|
US3026435A
|
|
Ultraviolet lamp
|
