This record contains one piece from a single channel tube. The piece is comprised of two thin rectangular metal components, two glass rods attached to the sides of these square components, and two circular metal components attached in between the metal and glass components at either end of the object. One of these circular metal components has broken off of one of the ends, along with a piece of the glass rod.
Identifying Numbers
Other number
163
Hand etched on the outside of the attached circular component