Title
Whirlwind vacuum tubes, 5 typesCatalog Number
102733256Type
Physical objectDescription
This object consists of a collection of 5 tube types:6SN7WGT: 1
SR1407: 2
7AK7: 17
6145: 11
unknown: 1
Date
1951Identifying Numbers
Model number | 6145 | Printed in white ink on top of the glass envelope. |
Model number | 6SN7WGT | Printed in white ink on top of the glass envelope. |
Model number | 7AK7 | Printed in white ink on top of the glass envelope. |
Model number | SR1407 | Printed in white ink on top of the glass envelope. |