Vacuum tube type 12SJ7GT in original box
Raytheon Manufacturing Company
||On top of box flap and print in octagonal frame on top of tube
overall: 3 7/8 in x 1 3/8 in x 1 3/8 in; overall: 2 3/4 in x 1 1/4 in x 1 1/4 in
This is a Raytheon "Bantal" premium brand tube in original box. The tube base is metal rather than the usual black plastic. The measurements refer first to the tube, then the box.