This record contains one single channel tube part. It is circular with two rectangular reflective components on top, guarded by metal sheets on the sides. On the bottom, there are five pins and four circular indentations.
Identifying Numbers
Other number
313
Handwritten in pencil on the bottom near the pins.
Other number
7X-2-1
Handwritten in red ink on a sticker that was once attached to the object. It has fallen off and been removed.