Trafalgar House Plc’s ABS Computers Ltd of Brighton has sold a C-Horse 900 Unix supermini – that’s the model based on the Pyramid Technology 9820 – to Lister Locks, the Ipswich, Suffolk wholesale distributor of locks and buiding accessories: the system is initially installed with 45 colour VDUs and 10 printers and is valued at UKP260,000.