Hindenburg light
The Hindenburg light or Hindenburglicht was a source of tallow lighting used in the trenches of the First World War, named after the Commander-in-Chief of the German army in World War I, Paul von Hindenburg. It was a flat bowl approximately 5–8 cm (2–3 in) in diameter and 1–1.5 cm (0.4–0.6 in) deep, resembling the cover of Mason jar lid (Schraubglasdeckel) and made from paperboard.