ObjectsViewing Record 3 of 6
Previous Record Next Record
Switch Views: Lightbox | Image List | List
wood; brass; glass
Demonstration stand for showing the workings of a spyglass or Galilean telescope. Wooden base marked with lines of incidence and refraction. Two brass stands bearing one large objective lens and one small deep round concave lens. Instrument on large black wooden stand with wide round base.
BOA Purchase, 1938