Brass Tag Name Plate CHICAGO PNEUMATIC TOOL CO Size 5 1/2" X 4" vintage vacuum pump simplate valve.
see all pictures for condition of this nice plate. two corner rivets remain.
out the franklin, PA plant. Not sure if it was mounted around a motor or something with a slight curve.
USA shipping is $6.00 see my our signs/plates listings and other cool tools...oldtoolhunter, thanks