Technical help identify trans dapt bellhousing

I have had this bellhousing for a couple years
bought it at a swap meet only because it fits the early Olds engines and the price was right.
it does look to be a Trans Dapt bellhousing and has a number
JC-71 visible
the seller did not know what transmission it fits
online search leads me to think it may fit the '35-'54 Packard transmission but can't confirm that.

anybody here have an old catalog or familiar with these?

 

Moriarity confirms '35-'54 Packard transmision- Thanks Mark!

 

For future reference for all: https://www.jalopyjournal.com/forum/threads/tech-transdapt-adapter-numbers.78455/