[A glass cone for use in illumination of objects under water].
D006653:Histology; D008027:Light; D008029:Lighting; D010775:Photic Stimulation; D010781:Photography; D017949:Retinal Cone Photoreceptor Cells; D014867:Water
D014867:Water
HISTOLOGY; PHOTOGRAPHY
Ein Glasbecher für Unterwasserbeleuchtung.