Vacuum tube type 45
Radio Corporation of America (RCA)
||Printed on glass
overall: 4 5/8 in x 1 1/2 in x 1 1/2 in
This Radiotron tube has a flared lower section and a step near the middle to a cylindrical section on the top. Object is silver on the bottom section and clear on the top.
Gift of Gary Papazian