Wilbert Smith Archives Files Box 1130 16 1130-16-p069

Document Text (OCR)

at ons Ik nee on. vas ind nce nee ore zed zat of ate When both the discharge and flow of gas are stopped the solid deposit was found to glow deep minutes. The half-life was influeni - for pure is_phos: mai the after- rectrum oft enecion shows only «, The x lines are blue-green, while «/ gle lines at 5943-8 A. and 4683 A. respec- : and x” and x" are si tively. When the afterglow has ceased, the dark solid can be made to phosphor ata later time by removing the helium and allowing the ice to warm...