I collect Walden tools, and in 20 years I have only seen 3 of these push-pull ratchet adapters, I have 2 of them. Early ratchet you didn't have to flip to reverse. Picked this on up off E-bay recently. It is 1/2 inch drive. I'm always interested in Walden and or Stevens/Walden.
I must be really dense, but I don't get it.
Your adapter plugs into a female ratchet. Right?
What does the other part do, and how does it work?
Right end plugs into a socket, left end plugs into a breaker bar (male) push down on the breaker bar and turn either direction (lift slightly, spring inside adapter lifts so adapter is disengaged so you can turn it back before pushing down to turn it again). Present day ratchet adapters have a reversing lever.
Sheesh!
I was looking at this one from Snap-on on AA just two hours ago. Very similar.
http://alloy-artifacts.org/Photos/tools/snapon_12dr_no6_cropped.jpg
I have some Walden stuff here, what are you looking for?