"Graham" wrote in message
...

| That should be easy. That was an early Philips transistor. I found these
| specs but they seem a little better than I remember:

| It was, of course, Mullard in those days

Mullard may have second sourced them. I recall the series as Philips,
starting with the OC71.

| (Please don't use HTML in text newsgroups)

I wanted to try to save the table layout since they go to hell if you
convert them to text.

N