[Collins] Collins 2 DA Antenna Tuner

[Brian K Harris]

I am looking for information regarding a Collins Antenna Line Tuner, Model
2 DA.  It is a 1KW unit that has a balanced line input and a single ended
output.  I suspect it is from the very late 30's or early 40's.

Thanks for your time,

Brian K. Harris, WA5UEK