That looks like a CDI torque wrench head. The bigger ones had swappable heads so you could put either a ratchet head or a open end/box end/non ratcheting socket wrench style head for different applications. I don't recall ever see numbers on the early heads.
This one is not quite as old as the one you have and is the fixed version. I couldn't find an swappable version pic. Snapon bought them out eventually but the snap on versions would have a snapon head vs the ones sold as CDI. In fact if you buy a CDI branded one today in the 1/2" size it has a similar designed head.
CDI 1" torque wrench