Lightwin 3
Petty Officer 1st Class
- Joined
- May 18, 2010
- Messages
- 300
I have a Heathkit self contained depth finder. All inside a nice metal clamshell case.
My father and I built it in the late Sixties, early Seventies. It still works!
It uses one of those big square 6 volt batteries. We used it on our canoe trips into Ontario.
My father and I built it in the late Sixties, early Seventies. It still works!
It uses one of those big square 6 volt batteries. We used it on our canoe trips into Ontario.