We have always considered and collected these commercial masks and helmets as industries tribal art. Examples can be elegant in their simplicity or bazaar and complex. They are always unique, suprising and filled with personality.
Bausch & Lomb – May Ophthalmoscope
This ophthalmoscope was designed by Dr. Charles H. May about 1915. He solved the problem of using an electric light to get an even and solid light with no shadow. It could into a pocket and be used with any flashlight… $100