Johnson Mfg Co. Inc 3/4" Torque Wrench

[SCscoutguy]

I picked this up at the flea market last week as it was a old unique tool and I could not resist. I have seen a few Williams torque wrench extension bars like this in the past but I have never heard of this company or seen a wrench like this. It is just a regular 1/2" torque wrench but it has a extension bar with a 3/4" drive on it as well that makes it a 3/4" drive torque wrench. Has anyone here ever had any experience with the Johnson Mfg Co in Batavia Illinois? I am going to try and disassemble this thing and put it in my blast cabinet and then maybe see if I can find someone that can recalibrate it for me.

Link to larger version of above image.
http://img52.imageshack.us/img52/1499/torquedelay081.jpg

 

[SCscoutguy]

No one has even heard of this company or seen one of these wrenches?

 

[Scout Driver]

Never seen or heard of one before. But its a cool wrench. I look forward to seeing it cleaned up.

Scott

 

[SCscoutguy]

Anyone have any info about this wrench?