'Hybrid' DJ's turntable mixer, by Synergy, United Kingdom, 1999. For mixing the output of two turntables Synergy 'Hybrid' DJ's turntable mixer 1999
Table-top desk with end rollers for examining trace paper from microdensitometer used to measure the X-ray density of tree rings in research into past climates, 1978 Table-top desk from microdensitometer 1978
