
7 public-domain matches
Ultraviolet Rays

Resistance of certain strains of microorganisms to ultraviolet rays
On Diffraction Spectrum Photography and the Determination of the Wave-Lengths of the Ultraviolet Rays *
On the opacity of the interstellar medium to ultrasoft X-rays and extreme ultraviolet radiation
The Chemical Action of Ultraviolet Rays
The Chemical Action of Ultraviolet Rays
Germicidal Effect of Ultra-Violet Rays on and Through Fabrics
Germicidal Effect of Ultra-Violet Rays on and Through Fabrics
