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.
Small Antique Pressler X-Ray Tube & Power Supply
This is a small and beautiful "American X-Ray Company" control and power supply. The tube is unsigned but looks like a Pressler Cold Cathode X-Ray (1910 -1950)... $1400 for the set.
