Solar prominence at Sun's limb

Presumably from observations made with the Boyden 20-cm coelostat. n/a. Extent: 1 photograph. Condition of original material: Stable. Author(s)/Creator(s): English. Scribe(s): Latin. Publisher(s): Left-to-Right. Editor(s): Unrestricted. Volume number: N/a. Original institution reference: PB15_P0676.