Investigating the Origins of a Spencer Monocular Microscope » Spencer Monocular Microscope and Accessories

From Left: 3 objective lens canisters in wooden holder, 1 eye piece in wooden holder, wooden carrying case, Spencer Monocular Microscope

From Left: 3 objective lens canisters in wooden holder, 1 eye piece in wooden holder, wooden carrying case, Spencer Monocular Microscope