Perfect Circle- Doctor of Motors Certificate

Wow this thread started what, some 12 yrs ago welp cleaning up my dads stuff after he moved to Florida lookie what I found. My google search brought me to the thread. To the Doctors, cheers

 

I did that in 64 I still use their method for ring break in

 

A friend gave this hat to me a couple years back. Excellent condition.

 

My dad has the clock and certificate from 1958 or so. He gave me the handbook when I was in high school. Anyone have a copy of the test?