Electrophoresis Power Supply
From London Hackspace Wiki
Bromma LKB 2301 Macrodrive 1 Power Supply
This power supply seems to have a problem with the display going blank, though the power remains on.
The manual was supplied by the Museum of the National Institute of Health. yes. that's right, this equipment is an antique. (http://history.nih.gov/museum/manuals.html)