Cambridge University have a laser marking system going “free to a good home” as it is surplus to requirements:
Manufacturer: Hahn & Kolb
Laser source: ROFIN lamp pumped YAG – 90W water cooled
Year of build: 1990s
Scan-head: Scanlab
Sold as seen, buyer collects – photos attached
Also, 2x Purex Fume extraction units
Model: Laserex 9000/2000i (from 2009 – used for 20 mins) – photos below: