Here is a Unimat DB/Sl catalog from 1969 for your refference. All accessories atachments and parts that were offered. Along  with illustrated use. This will help with identifying parts, use and assembly of accessories. There are 17 pages, could be slow to load, worth the wait.  An amazing archive. Have Fun, Doug
Please have a look at these other pages of interest on my Unimat website.
DF 2024
There were a lot of requests for for a parts, accessories refference. Well here it is, enjoy1
To print pages. Pages are jpeg pictures.  Right click on page - View image - print preview - adjust size and print.  For each page.