Bible Encyclopedias
Actinic Rays
The Nuttall Encyclopedia
"non-luminous rays of higher frequency than the luminous rays."
Copyright Statement
Public Domain.
Bibliography Information
Wood, James, ed. Entry for 'Actinic Rays'. The Nuttall Encyclopedia. https://www.studylight.org/​encyclopedias/​eng/​nut/​a/actinic-rays.html. Frederick Warne & Co Ltd. London. 1900.