We are looking for:
Manuals for the AMPEX TMZ Digital Tape Memory System (Look at IBM1130)We soon get an LGP 30 computer withe tubes build in 1956. Unfortunately lacks some cables. Therefore we are looking for 37-pin circular connectors (-jacks) built by Cannon, see picture below. The diameter is about 40mm. Other 40-pin connectors would help us further too.