@JEFinCLE I couldn't agree more. While I enjoy having a retirement lamp hanging off a Delta machine as much as the next guy, I am usually more excited with a good condition Cutler Hammer toggle switch with correct Delta pushrod. I have had something like 8 retirement lamps now, but only 2 push rods.
This was my 1938 as found with an adjustable bracket:
Pre logo mid 30s 220 basic version:
That pre-logo 220 is so old it has the round base.
Here are the pushrods, a couple Cutler Hammer switches and shaft covers for the 9" dia Delta motors:
I haven't seen many of these adjustable brackets on other machines:
Also of interest, the two shaft covers. One is solid cast iron, the other zamak:
A page from the 1946 Delta catalog. You can see the illustrated bracket is the adjustable type. All the pushrods were .55 cents which is $8.43 today: