32,070
edits
D: Difference between revisions
no edit summary
Vintage dave (talk | contribs) m (last year) |
No edit summary |
||
| Line 8: | Line 8: | ||
microphonics. | microphonics. | ||
Type D was introduced with the [[531]] and [[535]] in 1954 as Type 53D, | Type D was [[introduced in 1954|introduced]] with the [[531]] and [[535]] in 1954 as Type 53D, | ||
was briefly renamed Type 53D/54D in 1955 with the introduction | was briefly renamed Type 53D/54D in 1955 with the introduction | ||
of the [[541]] and [[545], then quickly renamed Type 53/54D, | of the [[541]] and [[545], then quickly renamed Type 53/54D, | ||