Going back here... Royal punch tape machine Model 518... what's it interface with?

[aaron7]

Still cleaning out that estate! Another interesting piece.

I've found only this for information but it either doesn't say what this interfaces with or I missed it:

https://archive.org/details/TNM_Roytron_tape_punches_and_readers_20171021_0058

Curious what this worked with, and a possible age?

 

[Al Kossow]

the basic mech dates from the mid-60s

http://bitsavers.org/pdf/roytron/Roytron_500_Series_Punch_Technical_Reference_Manual_May1970.pdf

chapter 4