ARP Model 2500 Synthesiser Modular Analogue units and detachable keyboard in working order, with instruction manual, and circuit diagrams (both copies) 1970. Acquired and used by Dartington College of Art, Totnes. ARP Model 2500 Synthesiser Modular Analogue units and keyboard 1970
System 990 protein synthesiser, serial no.SP196 by Beckman Instruments Inc., USA, 1983 System 990 Protein Synthesiser 1983