Title
Vacuum tube type 55Catalog Number
102691725Type
Physical objectDescription
This Radiotron tube has a crown electrode on top and six pins on the base. It 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. There is a small rubbed spot on the opposite side from the text on the base.Manufacturer
Radio Corporation of America (RCA)Identifying Numbers
| Other number | 12 | Printed on base |
| Other number | 55 | Printed on glass |
Dimensions
overall: 4 1/2 in x 1 3/8 in x 1 3/8 inCategory
Component/vacuum tube
