Early Sun Distributor Machine, not sure of the year. Last used to check the advance on my 911's distributor.
Its an oldie. 110 volts to power the electric motor (to spin the distributor), 12volt leads have to attach to a battery. And it uses two, D-cell flashlight batteries (under these covers) ...for what purpose, I have no idea?
Another:
Black And Decker Body Grinder (circa 1940s?).
So you think that new Dodge Ram pickup with the Hemi has torque?....Pfffft! Lightweights! This was previously owned by my BIL's father who was a body man for about 40 years. It must weigh 10 lbs! No wonder his forearms looked like Popeyes! I cannot imagine using this thing all day.
Hummm...Type "R"? Probably the sound you make between your clinched teeth ...as you operated the heavy bassturd!