VOA慢速英语:Rare Pictures Capture Native Americans in Late 1800s

photographer – n. someone who takes pictures, usually as a job

typhoid fever – n. a disease spread by contaminated water and food

radiant – adj. bright and shining

incandescence – n. producing radiation or a bright light that can be easily seen

transparent – adj. able to be seen through; easy to notice

lantern – n. a flame usually covered by glass for light

slide(s) – n. a photographic image on a small plate or film