ca. 1890's
Medical Museum Collection, Box 28
Digital photograph of a Schweiggers perimeter, for measuring the extent of a visual field. The instrument has been placed on a gray box top.
Schweiggers perimeter, for measuring the extent of a visual field. The black metal frame has a brass center rod and wooden handle. Mounted on the frame is a circular scale plate with pointer. The item is in fair condition, but the rubber chin piece is missing.